I did. If they are in the U.S. then they will be exposed to other ideas too. That's a good opportunity to show them the value of different ideas. I doubt they are prohibited from having non Chinese friends or reading on the U.S. internet.

An analogy is - there are plenty of undercover Mormons, Jews, etc who keep up appearances for their family's sake. They've found a different way that works for them, so why wouldn't these people?

tl;dr People are complex and if you are trying to control minds, often your efforts can backfire.