Last week on the Poudre, I didn't even notice a fly fisherman, up past his waist and I floated right up on him. I was extremely apologetic. His reply was, "no problem, I should of gone boating tonight anyway". Obviously not having much luck, but I thought it was cool, he was so cool.
Seems like most fisherman on the Poudre are pretty nice and usually say hi. I've never met a fisherman on the Taylor that I trusted with a rod in his hand--they have a mean look in their eye and they never say hi. (And as I float by, a fish usually jumps right next to me,
And I'm sorry, but what serious fly fisherman wants to fish in a play park anyway? I try to get away from the crowds. I think you're right, he was looking for a confrontation.
Just personal observation.