Yes. The only uncomfortable thing was getting onto the black, vinyl seat of my Enduro that had been sitting in the sun in the Mojave Desert.
Only happened to me once, while sitting in my car. Nowadays I wear boxer briefs, so it wouldn’t happen.
I’ve never seen the show, but… It’s L.A. Nothing wrong with wearing shorts in public. Of course, one must maintain a certain sense of decorum and wear clothing appropriate to where you are and what you’re doing. But just being casual and out-and-about? Shorts are cool.