In person, it's one thing - on a forum it's entirely another.
Neither have any constructive effects for any of us here, and both are utter bullcrud.
Yeah we all feel a bit braver sat behind our monitors, but in the pub over a beer or a coffee is fine (politics at least). I find myself unable to have religious debates with people as changing someones belief is the 3rd hardest thing to do ever, (first out of interest is kissing someone leaning away from you, 2nd is climb a wall leaning towards you)