It's actually kind of funny. Billy was upfront about what the lawsuit was about since the very beginning. His response video to Karl was entirely about the Apollo statements. At a con, he mentioned that the complaint had nothing to do with video games (Karl said this was wrong, even). This is legitimately the one case where Billy has been honest the whole time and Karl is the liar. It wasn't that hard to find out what the lawsuit was about, but Karl could have at least mentioned it. His argument is that it might have hurt him in court, which is funny when you're posting 20 Billy videos anyway. Saying "yeah, the lawsuit is about me saying Billy led Apollo to kill himself because I saw a Reddit post about it" isn't too great, I agree. But when you put it like that, he should have known he was doomed from the start. At the very least, he could have clarified that it wasn't about the cheating allegations.