Rex Tillerson did. Fran Lebowitz did and she's known him a lot longer than you have.
https://www.theguardian.com/culture/2018/mar/20/fran-lebowitz-you-do-not-know-anyone-as-stupid-as-donald-trump
Truer words were never spoken.
Echoing the reported opinion of former US secretary of state Rex Tillerson, Lebowitz thinks the biggest danger of Trump is that he is a moron. “Everyone says he is crazy – which maybe he is – but the scarier thing about him is that he is stupid. You do not know anyone as stupid as Donald Trump. You just don’t.”
https://www.theguardian.com/culture/2018/mar/20/fran-lebowitz-you-do-not-know-anyone-as-stupid-as-donald-trump
Truer words were never spoken.