Isn't that his appeal though? He lets the guests speak without much interjection beyond "wow" and "really". Unlike many other media hosts, he doesn't have his thumb on the scale trying to steer conversations towards his own political leanings.

And while he's featured a few conspiracy theorists, they're a minority and are balanced out by credentialed 'serious' scientists.

That's all beside the point though - purging conversations from the internet is bad, and the culture that cheers this on is worse.