Depends on what you mean by "engagement and discovery." If you mean, "How will people hear about AT, by BlueSky or by StevesPDS.com, then sure, BlueSky has a ton of attention. But if you mean "engagement with other people's posts" or "discovering other users", that's the same no matter where their content is hosted.
Depends on what you mean by "engagement and discovery." If you mean, "How will people hear about AT, by BlueSky or by StevesPDS.com, then sure, BlueSky has a ton of attention. But if you mean "engagement with other people's posts" or "discovering other users", that's the same no matter where their content is hosted.