I’m not sure who “they” are, but I’m pretty sure they’re already doing that, and don’t need me to get the idea. I think it’s important to talk about what LLMs mean for privacy. Profiling every HN user might be a useful tool to are people more aware of the problems. But I totally get your unease, which is also why I haven’t done that myself.

The cat is out of the bag, can’t get it back in by ignoring the fact.

Security by obscurity :). Accept that they will probably do this and work towards a counter-measure. Political solutions might be a counter-measure, as the Op of this thread is probably alluding to.