An outstanding move for a company claiming to sell trust as a service.
Offtopic but you've triggered my rant What is frustrating to me is the IRS was scammed. They sent my refund to some identity thief. This from an institution that if I owed them 10 cents, they could track down all of my financial accounts but they decide to deposit in some rando's account.
So instead the defacto ID is your SSN. This was never designed with that in mind, lacks all security mechanisms/checksums and all.
And if you were born before a certain time, all digits except the last few were determined by where you were born. And those last digits are the ones they frequently ask for...
This is all just choices guys.