After the middle of May, FB's adjustment to BM has increased the scarcity of high-limit accounts, and everyone is scrambling for high-limit account numbers. But this is a scarce resource. I'm afraid that it is the crook's bad foot that we are trying to find.
You're right!
The account is tense because they caught a vulnerability in Yahoo's email and entered Facebook through the email. Now the vulnerability is blocked and the goods are much less.