Racism could be a much better fit. The blog post in question: https://world.hey.com/dhh/as-i-remember-london-e7d38e64

The interpretation that raises some pretty interesting points about the inherent racism in the expressed worldview: https://jakelazaroff.com/words/dhh-is-way-worse-than-i-thoug...

There is, however, an interpretation that explains how this specific kind of racism can be seen as at least fascism-adjacent: https://davidcel.is/articles/rails-needs-new-governance

The question of whether he wants politics in the workplace is moot when he's making public blog posts like this. For the open-source community, the open Internet is the workplace. People aren't just going to pretend DHH didn't say what he said (in public, of his own free will, using his own megaphone) because he didn't post it to ruby-core@ml.ruby-lang.org.