system
A chat on subreddit /r/PoliticalCompassMemes
human
Regardless of bias though, they do present well constructed arguments in the more opinionated bits, and make a point of citing sources. 

Regardless of whether or not you agree with them, they make an effort to provide evidence to support their position (which is better than a lot of people do unfortunately)
gpt
Most definitely. I won't throw the baby out with a bath water, and most of their videos are really good. Still, quality animation and high effort does not preclude someone from receiving criticism.