Heh, it does feel like a bit of gaslighting going on here. The game, at least on consoles, had issues beyond just bugs (or perhaps some 'were' bugs).
I'm not active on Twitter but all I ever saw was people online mostly complaining about "janky" combat which doesn't really have anything to do with bugs. The other thing that would come to my mind would be PC related hardware issues. I kinda doubt it's easy to break the game state just like that. Like for it to be unplayable you'd have to encounter severe problems regularly. This isn't Kingdom Come. I honestly can't think of major issues in my like 40-50 hours of play time personally. Unless I'm crazy lucky.
You're right, jank isn't a bug. However, I am talking about collision detection, jumps taking players off course and perhaps worst of all, unresponsive controls- now, I don't know whether this is a persistent bug or or a more fundamental design flaw pertaining to how inputs were buffered and executed.