The section talks about gossip.json and not conn.json, it asks the user to run ssb-server (instead of a more regular client), it warns the user not to fork their feed but not that they shouldn't use pub invites, and in turn it doesn't tell the user how to resync without using a pub invite (in case they don't have their conn.json).
This section https://handbook.scuttlebutt.nz/faq/basics/delete
Prompted by a discussion on mastodon https://merveilles.town/@ndpi/103720432396632607
The section talks about gossip.json and not conn.json, it asks the user to run
ssb-server
(instead of a more regular client), it warns the user not to fork their feed but not that they shouldn't use pub invites, and in turn it doesn't tell the user how to resync without using a pub invite (in case they don't have their conn.json).