alt Hacker NewsI don't any signs that it's a bot, or that the comment was LLM generated. It's pretty safe to assume they made an alt to make that comment, as they didn't want to take a negative opinion towards a conservative author on their main. i.e. trying to avoid controversy.
This website is slightly to the right of reddit these days; what exactly would expressing a negative opinion about a conservative blogger do to their main account?
My suspicion was some affiliation with a current or future implicated individual.