My old shop in Boulder had a bin for used sealant bottles. We filled a 55 gallon drum every six weeks just from regular top ups. That's a lot of plastic and goo going into landfills. The environmental waste hit me harder than any flat tire. Even if it works, the constant need for fresh sealant creates a hidden trash problem most riders never see. It made me question if the reliability is worth the extra garbage.

Give an example, @the_robert?

Yeah, a big backsplash will do that (kinda like how I thought my old sedan was fine until I tried to move a couch).

Glad you checked, but knob and tube is rarely still live by code. It's usually dead and abandoned up there.

My old guitar teacher had this rule about never naming a chord, just showing the finger placement. Reminds me of what @paulperry said about his neighbor's fence. The right detail changes everything.