SimplestBitcoinBook on Nostr: Anyone know why I’m not seeing nostr.build in TheGuySwann ‘s post here in #damus ...

Anyone know why I’m not seeing nostr.build (npub1nxy…avr7) in TheGuySwann (npub1h8n…rpev) ‘s post here in #damus ?
Often happens like this ..
jb55 (npub1xts…kk5s) any idea?