Does it have to be a cost sink? Charge $20 every time you have to field a support call and you fund your call center while also killing the expected value of sc

Does it have to be a cost sink? Charge $20 every time you have to field a support call and you fund your call center while also killing the expected value of scammers trying to spoof their way in. And that’d be a pretty easy sell for a public assistance fund for situations like the librarian deals with.