Those are midwits. Truly intelligent people see past the facade and don't really go into the topics with others outside of subject matter expert groups. Because the areas being focused on by the general population or media are so deviated from the cause or solution.

So, are they suppressed? I highly doubt that's the proper word.

Less ambitious? Perhaps, but not suppressed.

Elaborate please?

I feel like high iq people are more likely to succeed in the USA, than a communist country. This comes from someone whos parents grew up and lived in a communist nation.