It's both legitimate because that's how they legitimately think and fake because virtually everything on Reddit is staged and fake and has been for well over a decade.

I mean it's a bit more like reddit is a huge leftwing propaganda site, so I wouldn't be surprised that on a propaganda day it's full of propaganda.

reddit is less than 5% real posters

Nah, we know from the election that democrats have discords with the goal to vote manipulate reddit posts.