Generally speaking, not really worried about it. I don't see HN as a risk vector. If I was worried about it, I would have run it through a standalone browser on a fresh machine (or VM) behind a VPN, and not spoken in my "voice" (I would have used ChatGPT to rewrite)
Not the first time I've used a throwaway, and they've never merged my comments into my main account (only use throwaways for these types of discussions - I assume abusing it, such as ban evasion, would be a different story)