Do highly intelligent people often pretend to be normal or less smart?

I was watching a famous spine surgeon in America who makes $3,000,000 a year because I was curious how extremely intelligent people sound and behave, and he seemed like the most gentle, uninteresting, and normal intelligence person you can find.

But I learned a lot of smart people pretend to be dumb so normal intelligence people will not be jealous of them.

Both Obama and Priscilla Chan pretend to be basic and average in public. You would never know they went to Harvard if it was not public knowledge.

They do not use big words or talk three times faster than you, they act totally typical. It’s fake normalcy so people will not be jealous of them.

Do highly intelligent people often pretend to be normal or less smart?
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