Wouldn't really make a difference unless it leads to something like 100 counter being overpowered and by fluke a new player lands on it, the more it changes the worse it is for new players if anything I'd guess because it will take them longer to adapt to changes especially without prior knowledge of what you should be aiming to do with the fight engine
Barely. I'm mostly phasing out my roster and waiting for it all to end at this point. I do have some morbid curiosity as to whether I'll quit before Mike finally pulls the plug on the game though.