Alright, so it's been over a year now, perhaps a year and a half, since the CV rework, and I feel like there should be a lot of consideration about what went wrong. There were a lot of promises made about the CV rework and a lot of us, myself included, said for a long time that we should just wait and see. I think it's time that we stop waiting and seeing and start talking and discussing, because if we don't, no one will. And let's not fool ourselves, a LOT went wrong.
I'm not going to sugarcoat any of this, because what little "good" that has resulted from the rework is inevitably mired in what is wrong with it and almost inevitably directly linked to things that are wrong with it. I also know that this post is likely not going to change anything as Wargaming seem like they've dug their heels in, but I think it's worth it to consider for anyone ever developing games in the future or any reworks that are considered of other classes in the future.
Let's start with the old RTS system, which had its own problems. I'll list some of these here:
Carriers, mostly being a few specific examples, were extremely powerful
Carriers had a different playstyle from surface ships, meaning that there was a divide between the skills required for ships of all other classes and CVs
There was an intense skill-gap in CVs, where experienced players could absolutely destroy inexperienced CV players or their teams
There weren't that many CV-specific modules and skills to choose from
There were also only two CV lines, and premium CVs tended to, on average, be better than tech tree counterparts, sometimes oppressively so, like with Saipan. And, there were some decent things that came to help some of those issues:
Planes having hitpoints instead of RNG deciding if all your planes die at once/who gets a plane kill and who gets denied what would have been a hard-earned Clear Skies
Surface Ships have some level of control over their AA sectors and can see and get rewarded for the damage they do to planes
CVs have a lot of Captains skills and modules to choose from to tailor their way of playing
Rocket aircraft are a strong addition to represent an important form of carrier-born aviation and warfare
A lot of bugs surrounding CVs got fixed, like AA through islands and air-detection issues
So how did this go so wrong? Namely, the systemic rework that removed the RTS-lite components in favor of what is in the game now. The ability to support your team is gone; you have one consumable for spawning a couple of fighters to oppress DDs or sit there oblivious while enemy aircraft go right past them. Aerial torpedoes do pathetic levels of damage, almost never cause flooding, and flooding itself is almost worthless as a damage source. Any CV that is not top tier is worthless to play when uptiered, because Tier 8 and Tier 6 ships have long AA ranges and massive AA damage compared to Tier 6 and Tier 4 planes. If you thought Wargaming was adding a German line this year, I am so very sorry for you. That's not a line, that's a worthless dead-end of experience and credits that you might as well not even bother with. Limiting CVs to one squadron at a time is hard, because to compensate the CV, their squadrons would have to scale to ludicrous strengths... except they didn't do that. And you can't enjoy these features because everything that surrounds them is just bad. The core mechanic is bad.
What was accomplished in this?
There is still a skill divide. There may be CVs more frequently in matches now, but that is probably more attributable to the steady influx of new CV lines than CVs being fun or interesting to play.
There is still a heavy skill gap and now it's even worse; just watch a video by Yuro and try to emulate it. Chances are you won't.
CVs are still annoying to play against in that they can spot you for long periods even if they aren't trying to attack you, and can still focus ships down "with impunity." (Arguably with even more impunity now because many CVs just won't run out of aircraft even though they theoretically have soft-caps on how many they can have)
A lot of RTS Veterans, either of CVs or who played against CVs, left CVs and either went to other ship classes or left the game
It is actually hard to look at the new CV lines because those lines would have probably been feasible and even decent in the RTS system. German paper aircraft would have meant something, because they would have been the quintessential glass cannon, and players would have had to manage their aircraft much more strictly than those of other nations. Now, though, they feel like a kick in the ribs every time you look at a match and see almost all Tier 8s in your Weser or, worse, the E. Loewenhardt you paid $25 for (if you were like me and thought you might treat yourself this paycheck.) If you bought the "Admiral Pack" for $50.... ohh boy am I sorry for you, and I can only hope you haven't played it yet and can still get a refund. Meanwhile, the British CVs would have been slower and tougher, making it harder to fight over disparate areas of the map but easier to focus on small areas to fight in. Instead, well... CVs are worse than worthless on your team in an uptier and difficult to play even when top-tier.
This is why the Rework did not go well: Wargaming shifted everything around like they did in Artillery 2.0, but they reduced the CV to a damage farmer instead of a support ship and then reduced its damage farming capabilities to a mere token. They put in national flavors around this rework but didn't address the issues that made and still make certain nations somewhat strong and certain nations pathetically weak, and they didn't address the issue that, if CVs are somehow supposed to operate off of one squad at a time, that that squad is going to have to be ludicrously strong to make-up for it. The end result is that the class was thrown by the wayside and just outright ignored despite the promises of attention.
I haven't done a dive into things like the atrociously bad CV economy or the desperately-wanting sense of accomplishment for a grind (grinding a ship over a month is infinitely more rewarding than grinding half a ship over a month because Wargaming decided there would be one ship every two tiers.)
Don't get me wrong, these aren't new issues, but they are infinitely worse after the rework than before it.