It's a universe of
>Gotta go fast
>Gotta make robots
>Gotta be sidekick
>Gotta chase boy
>Gotta flex my muscles and not chuckle (and protect Emeralds I guess)
So
>Gotta not be weak
Isn't completely outrageous

Nerd Correction: He called him "Worthless" and called his face "Pathetic".
but Infinite called himself weak over being afraid of Shadow.