I’m not saying you couldn’t render it - that’s the client’s choice and how many and what kinds of nips they wish to support
Discussion
I literally keep saying every other note that obviously is not the idea that clients will render all kinds, and even the idea of embedding opengraph data for rich previews as part of NIP-31 is nostr:nprofile1qy88wumn8ghj7mn0wvhxcmmv9uq3qamnwvaz7tmwdaehgu3wd4hk6tcqyprqcf0xst760qet2tglytfay2e3wmvh9asdehpjztkceyh0s5r9cpvx58v (iirc)