Very true, but they also chose to because they wanted customers. During the pandemic, some people wanted to minimize physical contact with other people. Some might say being afraid to touch a card to the terminal that many people used is silly but it’s a fact that people worried about this so if a business can facilitate a customer to make a purchase, they’re going to.
Holdouts like Walmart have a monopoly so they don’t have to worry about accommodating customers. They put their competition out of business a long time ago so now they just do what they want.
But there has been surprising blowback to Walmart in some areas of the country. It's surprising when it happens.