Most of those are probably Japanese accounts, which while still being real accounts, isn't comfortable with the Twitter crowd due to the kind of media usually s

Most of those are probably Japanese accounts, which while still being real accounts, isn't comfortable with the Twitter crowd due to the kind of media usually shared on the japanese instances (the kind of content which is illegal in the US and most of the rest of the world but totally fine in Japan, which is another reason for Mastodon tbh)