Sometimes I think we carry this Privacy concern a little too far. If you think about it, the fact that you pay checks drawn on your bank by your customer actually releases NPPI (the fact that the person IS a customer, the fact that the account number on the check is the actual account number, and the fact that the amount on the check was actually an amount the customer had on deposit.)
Can you imagine the chaos that would result if we refused to pay any checks in the name of Privacy?
Seriously, the whole Privacy bru-ha-ha developed because of those annoying telemarketing calls at dinner, the increasing load of junk-mail in the average mailbox, and the unseemly practise of giving away your account number to 3rd parties so they could stick a $49.95 annual fee for hotel discounts.
Privacy was NEVER about trying to prevent ourselves from taking steps against fraudulent activity!