hodlbod on Nostr: I actually mean it's probably the clients' fault for choosing the wrong relays. I ...

I actually mean it's probably the clients' fault for choosing the wrong relays. I haven't looked into it, but it could be that listr is sending your lists to non-outbox relays, which aren't checked — but are scraped and replicated. Lots of old band-aid solutions existed from before outbox gained adoption.