Yah you were probably in the wrong but don't beat yourself up over it. I'll leave you with some mind boggling info so you can Smell the big picture and put your situation in perspective...
well you did nothing wrong by saying nothing. i think you would be doing wrong to deliberately throw anyone under the bus, as the expression goes these days. but as long as that wasn't your intention, why are you asking us?
Nothing wrong with crop dusting a room of people. Everyone can stand their own brand, funny to watch people gag from as drop. If the role was reversed, he would have blamed you!
I wonder if I can pull this off at one of the managers offices https://www.youtube.com/watch?v=Fk6M1gqV-0A