Nothing can be inflation proof on fiat system.
And talking about luxury foods in America, I'm of the view that Americans eat more at McD, Do'z, KFCs because it's always been kinda fashion there. What do they call it. 'Fast Fashion' yeah,!
I don't know but these companies have trapped people. I had recently visited a Dominoz in India. As usual, it was overcrowded, but they only had 4 people as staff there. We had to wait more than an hour, so was everyone doing, and when I it was served, I can easily recognise that they have considerably shorten the size of Pizzas and then I looked at the bill there also they have increased it so much.
They are playing double games but people are addicted to them and can't help their taste and fashion!!