You're again trying to attack instead of establishing a logical explanation. It's clear you're not here in good faith.
Regardless of how somebody establishes their birth date, that field would still get updated with the data that gets accepted. If that field is invalid, and somebody is receiving payments, then it's wrong.
Regardless of how somebody establishes their birth date, that field would still get updated with the data that gets accepted. If that field is invalid, and somebody is receiving payments, then it's wrong.