One of these gives you ultimate control (mastodon / AT) if you want it (you can host and own the domain) or the ability to ride along with your choice of admin.

One of these gives you ultimate control (mastodon / AT) if you want it (you can host and own the domain) or the ability to ride along with your choice of admin. The others do not give you any choice you buy the service from them and accept their terms (and presumably, virality, which you came for) Those are the trade offs