give 6 shots of cheap vodka from a plastic bottle to one set of people and 6 shots of good vodka to another set. Then ask them how they feel the next day.
I didn't know "yuppies in a bar" were valid spirit critics.
McD's may taste good.. to some. I never heard of anyone going to a conference, getting free food, and then telling the host that their food tastes like McD's. That would be rude.
Give McD's every day to one group of people for a year and "fine food" to another for a year and see which group needs cardiac bypass and a liver transplant and which do not.
This is too vague and non-specific to give an answer. Depends on what McD's food they get, and what "fine food" they get. McD's has salads, etc. "Fine foods" can be very unhealthy. Fetticinni Alfredo used to be called, "Heat Attack on a Plate' IIRC.
Honestly, I've eaten some fancy, expensive foods and often I've thought, "i could have had a plate of ribs with dipping sauce, some potato salad and a piece of apple pie for 1/3 what this tiny, pretentious plate of "food" with fancy garnish costs".
And as far as the vodka tasters in my example not being spirit expert, that's true. But many so called wine experts have been humiliated and duped when they've picked cheap wines over expensive, fancy wines in double blind taste tests.
Expensive doesn't always equate to quality.