Bluesky asks about which server to use on registration like mastodon.social does. For me the difference seems to be better marketing for Bluesky which makes people want to deal with the change and somewhat enjoy it rather than see every obstacle as a pain.
Bluesky does have some advantages like starter packs (and network effect now that it has so many accounts).
Bluesky does have some advantages like starter packs (and network effect now that it has so many accounts).