I long press the missing note, copy the note ID, then paste it to a new note, x it out so it goes to drafts, then check drafts. I'd say 3/5 times, that works to find the note without leaving amethyst. Its a janky work around  

 There’s the whole auto-pilot/hints/the under the hood of where do I find this note, which is what @hodlbod is describing.

There is also the UI affordance / signifier for this unhappy path. Normie end user doesn’t care about NIP-818, kind-7654 or relay hints. 

They simply
1) observe “why is this broken”
2) ask why cant i find this
3) wait, is it still loading
4) how do i know if its still loading/searching, or if this process has concluded
5) ask wtf is all this, where can i learn more

From the screenshot from @Karnage  only 1), and 2) are handled, and they are handled in a way that reminds of a windows 95 error.

This practically true for all apps, not just the app above. This unhappy path of multiple relays (as opposed to wikipedia, twitter, discord etc single server approach) is a strength, and weakness of nostr

https://media.tenor.com/TsJCldWFq3IAAAAC/troubleshooting-it-admin.gif 

 https://github.com/nostrability/nostrability/issues/42