This little story is indicative of the underlying problem with Hispanic immigration in general. The white Europeans, the Asians, the Africans and those from the middle east understood, and for the most part desired, integration and assimilation into the uniquely American Culture. The Hispanics? Not so much. Read carefully the words of the Spanish teacher: She was from Mexico and loved her former country.
There is a word for a person who is just in it for the money without enjoying the transaction process. It's on the tip of my tongue . . .