“I guess Rava didn’t know the halacha about not drinking on Purim…”
Nobody can control themselves when they are drunk. You are probably refering to the ???? ????? ? which says ???? ????? ?????? ?????? – some ??????? learn that the story brought right after – of ??? and ?’ ???? having the ????? ????? together, and ?’ ???? chopped off ???’s head, killing him – some learn that the story is brought to
illustrate that the ???? is ???? and explaining the DANGERS of wine and why one shouldn’t get drunk, even on ?????. It is not the ???? of most ???????, but it does show you how dangerous drunkedness can be – even in front of other people, a massive ????? ??? and ??? ???? can’t control his actions.