Since release this game progressively moved away from "mindlessly tapping the screen".Frameperfect inputs aren't impossible for human players. And the ai being able to use that occasionally is far from implausible.Now, what you as a player can do is to be aware of those time windows. Just try to focus a little bit.From my own experience, everytime I get parried mid combo or my special gets blocked, I know and feel that my inputs simply weren't on point. I allowed that time window to be there or at the very least bigger than it's supposed to for me to be safe.The ai getting progressively more adaptive is a good thing in my opinion. It forces you to actually improve your skills and keeps you on your toes.