“Smart” widgets being the latest one; a reinvention of HTML, completely unspeced with no input from any other devs whatsoever. It’s basically a proprietary spec wrapped in a nostr event.

Luckily some devs are working on a standard way of doing something similar with hypernotes and HyperCards from @nielliesmons and @Paul 

https://m.primal.net/KFXI.jpg