While the debate is fun to go through, in the end this is a rather ridiculous topic to be going back and forth on. At the end of the day, even the posters who disagree with the OP couldn't select the country or cuisine that does reign supreme over America. Is it China? India? Spain? France? We all like what we like. There is no best. Just the best for you.

It's like arguing about which color is the prettiest, or which sport is the most entertaining.

For what it's worth, I enjoy American food, but found the food in Thailand, Japan, and Greece better.