“ The increased prices means less customers. There us no winning for them.”
Yes, but the doors are open, the owner has income, and the owner can pay venders as well and rents and utilities.
Less customers paying higher prices is always better than no customers paying no prices.
Higher prices means fewer customers than you would have gotten with the lower prices. It does not guarantee how many fewer customers, which could be a sizable number. You willing to shell out $12 for a Big Mac and/or $20 for a “combo” meal?
More likely he will be out of business faster, but we will see. I wish them the best.