The article uses "posting about race" in the headline, but makes it pretty clear in the content that he is pushing racist white supremacist ideas.
4-5 years ago is also about when Kanye West started to go insane, posted the raelian swastika/star of david hybrid on twitter and elon said something like "this is not love" and banned him, which to me explains the motivations for nitter coming up in the first place