And, because he makes more new enemies, and even stronger long-time enemies, to the alleged causes on which he insists he has superior knowledge, he does those causes far more harm than good. He converts no one NEW. He pushes people on-the-fence away from it, because of his smugness about the issue. And, those opposing him only dig-in deeper. If he weren't so obsessed with the appearance of being right, he'd accomplish more. Everything is political for him. That's NOT a good place to be.
A good scientist is humble and accepts when they're wrong, so they can correct the mistake. It's important for the general public to realize that they are people, and they're not infallible. But, I do believe they are usually doing the very best they can.
Also, in the 1918 Spanish Flu video I offered earlier, the keynote speaker talks abundantly about how politics is a poison to helping overcome pandemics.