My legs shake and my fingers cramp. People gather down below on the sidewalk. He has a point. I'd much rather be climbing in the Sierra or hiking the Pacific Crest Trail. I think it's a great thing because it's available.
Urban adventure is anti-elite.
You don't have to have a lot of money. You don't have to have a lot of time. You just go and do it. And if you are young and poor and a wage slave, that's really attractive. It's one of the best investments I can think of.