This is an illusion. Everyone with strong political passions feels like the site is "obviously" biased against them. Your counterparts on the opposing side of any battle are equally certain of this. This is a reliable phenomenon and seems to be a function of how political passions work. It's not an accurate reflection of either the community or the moderation, no matter how obvious it feels.
> My last comment before this one was 56 days ago.
I'm responding to the preponderance of guideline-breaking comments in your HN comment feed.
Re deletion: it looks like you emailed us 7 years ago. Since then a lot has changed; we still don't delete entire account histories but we can randomize the username and/or do other things.