It's clear in context that they mean your background in computer security and political activism, I don't know where you are getting the idea that it's an comment on your ethnicity.
The HN guidelines ask users to assume the most charitable interpretation/good faith. Even for "big name" accounts.
"You're posting too fast. Please slow down. Thanks."
Is the response I get for my good faith arguments. This is a forum run by tech oligarchs. Speech is being modified on here.
Try speaking ill of a big tech CEO with links to YC and you'll find out quickly that that's not "curious conversation" lmao