> Consumers literally don't know the difference between cellular/LTE carrier "5G" marketing and the "5 GHz" band on their home router now.

Why would they know the difference? They don't have any technical appreciation of what either term means or its implication for what the hardware actually does; the terms sound similar; and they've been trained by decades of marketing to choose bigger numbers[1].

[1]: And many of them apparently didn't even know that "one third" is bigger than "one quarter", as A&W found out the hard way: https://en.wikipedia.org/wiki/Third-pound_burger