The question is what '2M reports' means. If that means 2M reports are made by users, but they can be made on the same page/post/user, then they can be easily gr

The question is what '2M reports' means. If that means 2M reports are made by users, but they can be made on the same page/post/user, then they can be easily grouped. So, if you get 500 reports on a single post, the reports can be investigated in bulk and that would make the number of investigations smaller. I believe this is the case.