Probably up to the clients to find a way to do anything with it. More report options for stuff like this and clients can do what they want with the info.
I see there isn’t any way to report stuff like this in either Nostur or Damus, for example. Closest thing is spam.
nostr:npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s nostr:npub18m76awca3y37hkvuneavuw6pjj4525fw90necxmadrvjg0sdy6qsngq955