Plenty of posts on HN are critical of megacorps, government, status quos, and/or media narratives. You might be closer to the mark with your phrase "sowing resentment", though—that sounds like ideological battle, flamewar, and other low-quality internet noise, and those are indeed things we don't want here. Not because we're trying to preserve status quos—we aren't—but because we're trying to run a forum for curious conversation, and resentful rallying poisons that utterly.
* other than from law enforcement on rare occasions - maybe once every 2-3 years, if that - in connection with some investigation or other. Never anything political or ideological though.
I'm sure if you contact him at hn@ycombinator.com and ask politely, you'll either get un-shadowbanned or a very good explanation of why not. He's a person, like you or me, not a personification of megacorps.
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Alternatively, you can keep doing nothing but commenting about how oppressed you are. That's also an option. It won't accomplish anything, but it would feel very pleasant for someone with persecution fantasies.