He does not explain the link the parent comment, no. But one could guess that he thinks of domains as private ownership and something you can steal. However, that view on domain is very problematic, as you have to renew it which indicates a right to use under specific terms, even for .com domains. The terms are just different for different domains, which is not too controversial.

Private ownership becomes more and more challenged these years. The original comment is set in Denmark. I am also Danish, and I can verify that we have another view on ownership than what you experience in the US.