And thus my Diddy argument stands. More often than not I've known more 'bout a person's main than they do. Knowledge isn't determined by who ya play actively bro.
If that ain't enough t' get ya off that weak reasoning, the player knows more 'bout Kirby than the foe. Kirby has different ways of using certain moves than the foe he stole 'em from by usin' it in tandem with his own moveset. Just 'cause they know how their stolen move works doesn't mean they know of the ways Kirby can uniquely use it.
I feel like I've debated over this before, quite some time ago... ... ...
Lets say wolf and kirby. Wolf can use his gun better on the ground, whereas kirby can use it to hit you in the air from a distance away from the stage, and still be able to recover.
Not, the wolf player I know!