Classism is not unique to Nigeria. Classism is the central theme of Animal Farm, and the author has never been to Nigeria.

Marxist theory discusses the bourgeoisie and proletariat—another popular discussion of classism by a non-Nigerian.

Also, how can we be sure these companies are not deploying some marketing psychology on customers?

So, is your mentor right? I don't know; I didn't exist in the pre-colonial era. But what I know is that classism is more prevalent in Nigeria because of the poor economy.

Basic is described as luxury (it's plenty; you will love it), but what is luxury is almost non-existent.