This poster is a fan of, or maybe actually is himself, the neonazi cartoonist StoneToss; the username is an allusion to the artist. https://en.wikipedia.org/wiki/StoneToss
With users like this, I've been making good use of the "Comments Owl for Hacker News" browser plugin: add an emoji tag to the user for visibility, then insta-flag their posts whenever I see them.
(There are probably better uses of my time, but...)
This poster is a fan of, or maybe actually is himself, the neonazi cartoonist StoneToss; the username is an allusion to the artist. https://en.wikipedia.org/wiki/StoneToss