cars aren't bad bc they're easy to use like that's not the problem with cars. and to point something about cars that's not a problem you really have to try so well done there
and you don't actually need to be a mechanic to use a bike. in fact, by far most people who use bikes don't have the faintest idea what a chainstay or a freewheel are, and yet they drive the bike all the same. and when it breaks they bring it to the bike shop