@pfefferle the thing that would make it more attractive to me is probably out of scope for you: I host my blog at Dreamhost and their tools mean that your plugin won’t work out of the box there. I don’t have the bandwidth to debug this so I don’t use the plugin.
@MartyFouts I already tried to get in touch with some of the big WordPress Hosters to see how we could get it to work on their infrastructure, but mostly it was frustrating. I think ActivityPub (in the WordPress area) is not present enough to force Hosters to support it.