I definitely don't judge, when I discovered the "rationalist" community I was super interested at first too. But the biases show themselves over time, and in such an obvious way.
PragerU is another one I'm embarrassed to say I was subscribed to for about a month. It's mostly news-based now but it used to present moreso as "Educational YouTube", which, sure, great, I added it to my collection...until I watched a couple episodes.
Why do you care how an instance that you don't even use is operated? Block and move on if you hate it so much.