Mobile payment mania

I use my Apple Pay as a stopgap measure for when I have left my wallet on my desk rather than as a main form of payment. I use PayPal mainly because eBay doesn’t allow other options.
London
So I find it puzzling that the likes of Tesco really thinks that this payment app (and others like it) would stand a chance of succeeding. The reason why Visa, MasterCard and Amex work is because of their near universal acceptance.