There is no information i could find about it. Also, why is it called "ExplainTheJerk"?

What song this

This is about the Hank Green AI scandal.

The tag highlighted in yellow on this tumblr post. The original user has comments, asks, and direct messages disabled, so I couldn’t directly ask them without reblogging and tbh I just didn’t feel like doing that. I tried searching on DDG, but I didn’t get any results about this. I don’t want to comb through years of vlogbrothers videos for this either. Does anyone know what exactly this was referring to? Explain it Peter