I don’t really know enough to know.
What is a high number of such suits, presuming merit? Certainly Fiorina and Trump are getting their nonpolitical careers examined.
If it is a high number and Carson were a Democrat, many here would be accusing him of being an affirmative-action hack. Which could be completely unfair.
The irony of this election cycle is that the Democrats are the party of “Old White Guys”. (and I’m including Hillary in that)