One problem is that tenure and standing for established scientists no longer afford any of the expected protections. James Watson was not discredited but promptly fired and "disgraced" for stating a well-supported scientific finding in abrupt layman's terms for an interview. The minds of cancel culture would probably say they gave this dinosaur enough chances to fade away, but he wouldn't. If they do want scientists…
James Watson - who was as close to royalty as you can get in science - worked very long and hard to get himself fired. It wasn’t just ”an interview”, but a lifetime of racism and sexism. Lior Pachter has a handy collection of quotes with links to sources: https://liorpachter.wordpress.com/2018/05/18/james-watson-in...
quote: “Some anti-Semitism is justified”
full quote: “Should you be allowed to make an anti-Semitic remark? Yes, because some anti-Semitism is justified. Just like some anti-Irish feeling is justified. If you can’t be criticized, that’s very dangerous. You lose the concept of a free society.”
They pounced on the unfortunate and/or unusual use of the word "justified", where the full context makes it clear he's talking about what you should be allowed to say, not what is correct. He means its existence in public discourse is "justified".