User blog comment:MilkyWay90/Not-Registered Users, tell your Googology ideas in the comments/@comment-30869823-20180802175741/@comment-29065906-20180803060559

Because trolls (as you may know happened a while ago), keep creating and registering new accounts to, well, TROLL. But if they don't need to register accounts, they could just create so many more accounts to spam.