Torsten Brinch wrote:

No, look above. We are talking about how the price of
food in USA compares to the price of food elsewhere
on the planet.

No, you are talking about that. The original person who brought this
up is talking about something else. Based on your domain, I assume
you are not a native English speaker, so you might not know that
cheap/cheaper/cheapest can be used in absolute or comparative terms.
You two are just not talking about the same thing.

--
Marcio Watanabe