Not the first, not just random, all things start with a few and then may grow

Random? Try well-known historian and published author.

Don't forget to count all the doctors moving out the US to Canada and the EU.

I know dozens of US academics who have moved out of US or are planning to, because of Trump and conservative's war on information.

I'm just one person. It's anecdotal but speaks volumes that I'd know that many.