Fb is big, but you could imagine 2FA involving maybe 3 pairs of eyeballs to get deployed. That, if combined with less of a sensitivity to the distinction betwee

Fb is big, but you could imagine 2FA involving maybe 3 pairs of eyeballs to get deployed. That, if combined with less of a sensitivity to the distinction between "profile number" and "auth-related number" , would make this bug almost certain to happen.