I totally agree with you. Parent comment is completely unreasonable in rallying against parts of another culture that he believes stupid. We must be inclusive of all parts of every culture because each culture has a very different lens, and there is oft little that can be agreed on as a result.
If you don't want to be banned, you're welcome to email hn@ycombinator.com and give us reason to believe that you'll follow the rules in the future.