> Did you just group me - a cuban-venezuelan-american - with white supremacists?

I parse their comment as talking about others and not saying anything about you personally (unless they edited their comment).

> you actually feel comfortable being so arrogant, ignorant, and impolite.

I think that you have fired up, stepped across the boundary to making a personal attack, which is against the https://news.ycombinator.com/newsguidelines.html