Merlyn is absolutely right, and those other folks are wrong.
MPAA is presumably going to argue copyright infringement. You do NOT have a right to violate someone else's copyright up until the time they notice it and ask you to stop. Indeed, by the time they notice it you could be liable for damages. Even if you take the offending text down immediately.
The benefits to posting controversial code in this instance are minimal. We all know where to find this code if we want to. Indeed, we can post it on our own web sites. If we don't post the code ourselves then there is no reason to demand that Vroom do so.