No fast food places have "fast food prices" anymore unless you heavily coupon and/or use their apps. Seems to be a method of price discrimination. If you're poor you know about the app and coupons and never pay menu prices. If you're not then you think "god damn, fast food got expensive" and pay menu price anyway, when you happen to go to such an establishment.
Like, they've always done coupons, but menu prices used to also not be a complete rip-off. They are, now.