The 'invisible knapsack' is called society.
Can I go to a store and find my 'culturally appropriate' food?
All that is advocating is for Balkanizing society.
If I am in a Canadian town that is 95% white, I'm guessing the food will be too.
I live in San Diego, so I can find any food I want.
I wonder how that questionnaire would fly in Saigon, Bogata, Damascus, Shanghai, Nairobi, or New Dehli?
I'm guessing that access to hot dogs and apple pie is not a big priority in those parts of the world, yet I am not offended.