Pretty sure no-one is waiting for this, but after having spent a couple of years on the Fediverse (Mastodon in my case) I decided to add ActivityPub support to my WordPress installation via the ActivityPub plugin.
I have the WP Rest Cache plugin active, so I’m expecting things to gently hum along, without (most likely) or with these posts gaining traction.
Kudo’s to Stian and Servebolt for assisting me to get the webfinger endpoint to work, which is … not self-explanatory on hosts that have unoverrideable configuration on the .well-known folder 