That is simply not true. There is not a single monthly bill I can pay with BTC There is not a single grocery store I can use BTC for to buy food. None of my credit cards accept BTC. I know of no, that is zero, brick and mortar stores, that I know of that accept BTC. There are no gas stations that I can use BTC to fuel my car.
Literally. And I live in one of the 10 largest US cities.
You can literally do anything with your coins, just as long as you know where to spend them according to your wants.