nostr:npub1a4cfqcj5cq9qauuzz33rqq63kudnu6k7x4fe4xep93s7lu5hgk3szqt2kf the similar behaviour that does exist in trades can be seen any time you try to fix something in your U.K. bathroom - contemporary toilets that have the cistern built into the wall, or lack of, or inaccessible stop cock valves to isolate leaks and such like.