Roadies are jerks sometimes and I should know, I've been around some who give the automatic low brow to the entry/ intermediate & SS/FG. It gets especially bad when there's more than one of those types and long stretches with little to talk about and it's critique/ criticism about said rider/ bike for the next 10 miles. Ignorant haters are going to hate; everybody has to start somewhere.
Usually when a roadie passes me while I am on fixed, the competitive nature within me kicks in and I always try to and most likely catch up to them in a short matter of time and give tell them the "hey, nice bike" or "wow you've got some legs" treatment to make them think that I just caught up to them to say that. I find it even more funny when I'm out of kit and in casual clothing whilest they aren't.
One time I thought my buddy passed me and I caught up to him but instead of saying anything I pushed him on his back in such a way to boost him; it turned out to be another guy who had a bike from the same series and the same kit.

Cars that mash their horns are the worse. I really appreciate it when drivers give me a simple whistle or tap of the horn to let me know their presence.

On topic, today I overhauled a pair of NOS vintage dura ace lace up tire covers whose cords had rotted soft and tore when I tried to mount them. In the process, I discovered I'm quite the seamstress. Better than new.