I reckon these are the same problems Paypal faced early on. Why take good old USD out of your bank account and put them into an account you can only use for cer

I reckon these are the same problems Paypal faced early on. Why take good old USD out of your bank account and put them into an account you can only use for certain payment processing? They figured it out, but maybe it's too late now? I'd like to think it isn't