None that I could see:

Your submissions to, and comments you make on, the Hacker News site are not Personal Information and are not "HN Information" as defined in this Privacy Policy.

Other Users: certain actions you take may be visible to other users of the Services.

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GeoAtreides 4 hours ago | parent [-]

I mean, just because they say the comments are not PI doesn't make it so.

	▲	ungruntled 4 hours ago \| parent [-]
		That’s a good point. I’m only referring to the terms they used in the privacy policy.