That's bad luck coming across a nutbar like that.
Most of the docks I fished this summer, people were extremely friendly. Most of the time, the anglers of the group would come running down to the water, asking me if I want a cold beer and giving me their go-to lures for the lake and explaining the lake structure.
When you get really lucky, you get a group of bikini glad women on water trampolines, but that's rare