>>>He has cashed for about another quarter million in big tournaments since then

Really? What do you suppose his expenses were during that same period?

>>>Have you won a quarter million in poker

Can't really see how that is relevant to anything but to put your mind at ease, no.

>>>also think it is foolish for a player with a limited bankroll to risk a LARGE percentage of it

In a 7000+ player field in a game of chance, it is foolish to risk anything unless your name is Ben Affleck.