>>18466155You're obviously too young to remember that the first Pokémon Stadium released in Japan only had data for the small bunch of Pokémon that were considered at least OU-ish for its time, since nobody who played half-trying would bother with training fucking Beedrills and shit.
This has been the norm since the start of the series: a select group of mons are favored over lesser stuff, and those who use the group of mons are, unless braindead or really, really unlucky, almost certain to win.
Also
>doge