You didn't mention the Beach Boys released a Manson song as a B-Side without credit & Charlie wanted revenge. "Never Learn Not to Love" 1968 also on the 20/20 LP

I thought Joe may have lured Lev to get beaten up so that he could manipulate Cameron. It would be one of the lowest things he has done but not unbelievable. Halt and Catch Fire has a great cast and gets better. So what if it isn't Mad Men or Silicon Valley.