David's plan is aligned with your comments here: nostr:nevent1qqstph7e5cdwd2dq68sp46qka9seuym2szfnmn8drwvhl7ddg4qmahgppemhxue69uhkummn9ekx7mp0qgs8wakr9493685t725kh2ltgwke4hs400fk8kymslak8eh3g42c3zqrqsqqqqqp6jqrpr

It isn't about mutual follows or prioritizing the npub itself in a crude way. The trust graph is context-dependent (as you rightly point out is the best way to go), subjective, and follow-agnostic:  https://github.com/nostr-protocol/nips/pull/1208