I'm not an expert, but I think: yes, you're basically invisible, save to those who chose to subscribe to your feed. I think if there's a single subscriber on a

I'm not an expert, but I think: yes, you're basically invisible, save to those who chose to subscribe to your feed. I think if there's a single subscriber on a server, then your toots will show in in that server's global feed, but ... on any reasonably-sized server, you'll be next to invisible in that firehose anyway. The benefits are that it's a very low-overhead implementation of ActivityPub when compared to eg. Mastodon.