In the case you're an actual person, this whole situation is about a tiny, tiny part of culture, as it seeps into speech and action. 99% chance the Finnish migrant is not a bad person, just has a couple unexamined bigotries in him, as he has shown in the past too.
Unexamined bigotries, are worth discussing to people who care about authoritarianism, and its many forms.
You don't have to understand it, it's not meant for you. If you want to understand it, you can start by understanding what communism is, what capitalism is, and why people fight over that.
Linus just, often, like in this case, takes the side of the establishment. That's a big part of what this post wanted to show.