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>ANY CHANGE IS GOOD CHANGE!!!
It really isn't. Like with everything with the slightest bit of analysis, it's not a binary division.
ATB systems radically change how a game plays at its core and a ton of things have to be simplified to utilize them well. The core gameplay was always the one thing holding the series together, so changing that means it better be done damn well or made up for by raising up all the other aspects that have been pointed out as archaic and lazy.
Now, using a side series like the remakes to experiment with stuff like this is a good idea, but don't imagine for a moment radical change is 100% good or bad