That’s true, I have generally gotten my pizza elsewhere (not that I’m an anti-chain purist snob, but there are several options and Domino’s is my least-favorite). If Domino’s is particularly egregious, why was that your choice? Surely you knew that and a coupon wasn’t the only way they could do it?
Why would it have to be a crypto donation? Their bank accounts are in USD. Most of their readers have USD. People can transfer USD. What does some arbitrary crypto thing you want to pretend is money add that makes it better for those “most people”?