He could have said that he is changing the ambassadors because the new ambassadors are morein line with current government policy. He could have been truly honest and announced that to the victors go the spoils. But no: He announced that the old ambassadors ticked the wrong boxes, the new ones ticked the right boxes, and he called that diversity. What's even worse: I think he sincerely believes it.
That's really bad. I expect politicians to lie, but when they start believing their own lies, we're in real trouble.