This is the funniest thing. It didn't go through Valve's lawyers. There was no DMCA takedown. They asked Nintendo if they were comfortable with Dolphin being up, Nintendo said no and claimed a bunch of legal things but never filed a legal request.
But whatever, dude. I'm done summarizing the blog for you. Obviously you want to act like you know what's going on without doing research and I'm tired of doing it for you.
I've never heard someone point out exactly what decisions were from EA leadership. Do you have a source where I can do more reading? Bioware was my favorite studio before EA bought them.