Chorus ... We should help him read the sequences ... shambles forward

The anti-LW'ers have become quite the community themselves, the video is referencing XiXiDu and others.

It's thoroughly entertaining, the music especially.

Edit: I must say I found this statement by the video's author illuminating indeed in regards to his strong discounting of Bayesian reasoning:

Math has always been a weakness for me. Source

To his benefit, Dmytry explained it to him, and now all is well again.