Does that mean there is a centralized identity service?
In theory additional dids could come into existence too, those are just the two that blueksy supports at the moment.
It’s worth noting that PLC can’t fake your data because each edit is recursively signed. So you can verify a chain of updates. However, PLC can in theory deny you service or ignore your updates.
Also someone from Nostr made a tool that let you upload image files and encode them (split into parts) into plc directory records…