I like that a lot, something I'd love to own and run, a 'Kickstand Cyclery'.
He does say the customers vary between those who want to do it all themselves and those who are happy to watch.
It's a good way to learn maintenance skill, and to have pro tools available for each job. They may do themselves out of future maintenance service although if the customers enjoy the experience they may come back, if they don't get swayed by online parts prices.
I like the building and the decor, it looks like a nice environment. Probably a good place to meet friends and riders doing what they do.