Duh. But in the game, it's perfectly viable if people are going to walk into it.
I never said a jab was supposed to have KO power, I simply stated some guys can throw a jab with some oomph. And saying otherwise is really, really not a good answer, because there are guys in the pro ranks that can throw a jab that hurts.
No punch is fine as is in this game. You can literally flurry twenty shots into an opponent and he won't be stunned. And that could be one big chain combo of uppercuts, crosses, and hooks.
I've had 12 punch flurries that the opposing fighter just laughed off. How many times do you see a boxer get hit with 5, LET ALONE 12, consecutive punches and remain standing as if nothing is wrong?
I can already give you the answer to that.
Lennox Lewis and George Foreman had crosses with actual viable power that could daze an opponent if used at the right time.
EVERY punch needs to be treated as is... a punch. Jab is snappy and weak as an overall punch because that's it's most effective use. That doesn't mean that there aren't fighters out there that can throw a jab hard or a cross hard. That also doesn't mean that having it do 1/2000th of the health bar is viable, either.