Linking the account to a credit card/debit card should be some sort of a proof or way to track someone as well no.? seems like they just make it more intrinsic,

Linking the account to a credit card/debit card should be some sort of a proof or way to track someone as well no.? seems like they just make it more intrinsic, which is good and bad. not sure how I should take it as. Don't care much about twitter either way.