I bet that control of email address + SMS 2FA was sufficient, alone, to recover the Coinbase account password. Lots of systems permit this kind of recovery, and

I bet that control of email address + SMS 2FA was sufficient, alone, to recover the Coinbase account password. Lots of systems permit this kind of recovery, and while I may tell a technical crowd "if you use SMS for 2FA, that's on you" less technical users may not have the requisite background to understand the security tradeoff they make in doing so. The "flaw," in my reading of it, was to support SMS-based account recovery at all. But I'm not necessarily right here, and open to alternatives.