It's not just that they aren't free of bias. They appear to incubate truly wacky stuff - Leverage Research [1], the Zizians, all the AI/x-risk stuff. I am not the only person to have noticed this [2]. There's something about their approach that appears to actually make people more susceptible to nonsense, not less.
[1] https://lydialaurenson.substack.com/p/the-inside-story-of-le...
[2] https://asteriskmag.com/issues/11/why-are-there-so-many-rati...