To Answer your questions in a non biast fashion.
Hacks were really never that rampant besides a couple guilds on certain servers. Some servers more liable to cheat then others as it’s just the way they enjoy playing.
(That’s for 1 & 2)
Optimization has been slowly worked on. There was a total increase in performance of 7% with the last update. The % varies from each person, but I for one have noticed the difference. IMC will never get it to where most feel it should bee. Including me, but with that said; It is getting better.
Class Balance: You will always have META. You will always have the 1,2,3 Builds that perform better than someone with a 1-10 build. META is generally much easier to play and takes less though, where someone can achieve what META can do with a bit more thought and skill while pressing more than 1,2,3. In a game that has an absurd amount of Classes, it will never be balanced, and no player will ever agree on what is considered balance when it happens.
P2W: Um… What? Since when? Yes, my +3 Movement Speed is totally kicking your a$$. (This is all again, opinion as many people have varying degrees of what is P2W and what isn’t. IMO there is nothing p2w in ToS besides maybe Enchant Scrolls.)
Bad Economy: In truth I don’t deal with the economy much. I run my own stuff, I don’t bother trading (never really have). The only thing obscene really is Battle Bracelets for various reasons.
Bad Netcode: This goes a long with improvements and optimizations. Yes, it’s still bad, and no, it will never get where players want it.