Here on HN you'll be banned if you're not careful too.
We detached this subthread from https://news.ycombinator.com/item?id=14942874 and marked it off-topic.
My experience on HN is that there exists a small minority of users who might shout you down, but I've never seen or heard of a user being banned for discussing something like this in good faith.
I've seen this repeatedly on HN.