Afaik it’s still the law in Oregon. I could be out of date (old) but their state law forbids you from filling your own tank, you have to let the attendant do it.
edit; and yeah it’s always been weird to me too. Like you can trust someone to drive a car but not fill it with gas? Bizarre priorities.
Selling the booze is a crime - selling the cups is not. Loophole!