Yeppers, I have seen this before. Normally, they are the ones that have no sense of playing poker, and this one proves it.

My dear Queen, about a month ago, the whole table, stayed in, I flopped a Royal, from the start. Well, first person bet, reasonable bet, next one folded, 2 called, and then the next one makes a raise, rest of us call the raise. Well here comes the turn, and good gods of poker, the first to bet goes all in.(I am thinking, well that did it, evry one will fold now) But oh no, they all call his all in, well I am last to act, I am thinking, must be a couple flushes, and maybe a straight, and with the turn, good chance for a boat. So, I said, hey, looks like they want to play, so, being chipleader at the table, I reraised to see if any would follow. Oh yeah, the did...Cards turn over, was right as to what some had and they idiot that started the all in, made a straight flush against my Royal. This sucker called me every name in the book(as a rail bird) he stalked me for the next hour. Saying that the site screwed up, that I should not have won that, that he had the straight flush...I even had some cheerleaders that was watching the game, and tried to set him straight, but he just did not understand. In fact, I run into this clown, ver once in awhile and he still insists he should have won that hand( you can still see he is a poker idiot as to the way he still plays. Maybe you ran into the same person.
To tell the truth, I have seen this kind of action being said at a casino live game. Actually get raven mad, with the dealer and pit boss shaking their heads, and the close people at and near the table roar laughing so hard, that it takes a few minutes to get back to the action.

Darn it Shar, I didn't even think of that idea.