”all of them share some characteristics of being really brilliant and really fragile”

Those characteristics permeate the rank and file too.

> I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops.

-- Stephen Jay Gould

A Barnum Effect type statement really haha. One should be suspicious of any brush that you can earnestly apply to "all" of hundreds of people's personalities at once. "Having elements of both broad category X and broad category Y" is absolutely a rich vein for that.