Yes, but much like the "exodus" from Twitter, and others over the years - they all fail to reach critical mass. There's a very real early-mover effect, the likes of which have prevented Mastodon and even Truth from gaining huge ground.
Truth, being perhaps the most interesting, because the main personality behind it sort of compelled it to be semi-well-known simply because of media coverage. The other attempts do not share that effect, however.
