Don't worry about the NIPs. Really. There's like 5 of them that are important, like NIP-01, NIP-10, NIP-22 and etc., and the rest are just someone's suggestions for implementing a feature.
Take it from me. We're building an entire platform around a kind that doesn't even have a NIP. We just made it up and built it and nobody died.
See? It's a thing.
https://next-alexandria.gitcitadel.eu/publication?id=naddr1qpfkw6t5vd5hgctyv4kz6urjda4x2cm594jx7cm4d4jkuarpw35k7m3dvd6hyct5v4jz6ur4vfkxjcmpw35k7mnn94ehqetrd9nxjcmpw35k7m3dxukky7fdwd6x2mrvvykhvtf3qydhwumn8ghj7argv43kjarpv3jkctnwdaehgu339e3k7mgzyr7jprhgeregx7q2j4fgjmjgy0xfm34l63pqvwyf2acsd9q0mynuzqcyqqq82kg5vdpss
No devs were harmed in the creation of this spec. Promise.