Re:Listen to a SIM-Jacking, Account-Stealing Ransom
by cataflam on Thursday October 11, 2018 @04:54PM
(#18196953)
That's not for your benefit, that's for them to verify you're a human / not a spammer / collect information (at least that seems like the most reasonable explanation to me).
The account has no associated number so it's not a verification at all!