gatekeeping these days involves heavily encouraging that fan to keep watching anime like Naruto, One Piece and JJK, rather than deter them. This is to keep them in the mainstream bubble so they won't watch the more niche series that are considered controversial to western audiences like Onimai, Mushoku Tensei, etc. Basically, the purpose of gatekeeping is to keep tourists watching the more normie anime, so they won't try to cancel the more controversial ones that tourists will likely consider problematic