Yes. The players are trying to react to a bunch of other things, not just 1 possible move. It's in this context that 20 frames is the cutoff where moves start t

Yes. The players are trying to react to a bunch of other things, not just 1 possible move. It's in this context that 20 frames is the cutoff where moves start to be considered "fake" (i.e. getting hit is an unforced error)