Yes, it is, though I'd add to the problem that you think that "taking a controversial opinion" is equivalent to "nuance". Some opinions are controversial becaus

Yes, it is, though I'd add to the problem that you think that "taking a controversial opinion" is equivalent to "nuance". Some opinions are controversial because they're flat-out wrong, and "the Soviet Union wasn't that much worse a place to live than the West" is one of those opinions. But I agree that there's nothing more to be gained by continuing this conversation.