I am going to take an opposite approach to this thread.
I do beleive, that what one does in their own time off of the field is not reason to get the boot, unless that is school policy or team policy (then it is a different story).
Do understand that I AM NOT in favor of underage drinking.
Few years back a very high draft HS prospect, got arrested for minor in possesion of alcohol while at a party. He still made first round and still very much a prospect.
JMO.