Let’s use Kim K. again: people absolutely neglect the fact that she’s a savvy businesswoman and call her stupid day in and day out simply because she’s chosen to make money off her femininity (like her beauty products, her style, and her family) and sexuality.
On Smart, Virtuous, Good Women Versus Dumb, Sexual, Bad Women
Ellie Guzman
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The category of ‘savvy businesswoman’ doesn’t exclude the category of ‘whore,’ which I would define as being ‘any person who demeans the expression of sexuality by monetising it.’

Besides that, I don’t think the categories of ‘savvy businessperson’ and ‘stupid’ are mutually exclusive. Donald Trump is, I believe, mentally vacuous, but he also knows how to make a buck. In fact, I think his stupidity helps. If he was smarter, he might be forced to consider the ethical inplications of some of the things he does, which would detract from his ability to make money.