We're not in a position to police that. We don't have the resources.
Even apart from that, I'm not sure how one could distinguish legit from non-legit cases, short of raiding company offices.
What about blacklisting companies that post the same links from their ATS platforms for months at a time? It may be difficult to track from an admin perspective but as an applicant that has been browsing this for a few months, a lot of these are easy to filter out
I can show examples from this current / latest monthly postings
Let the market decide, I.e.: people comment and call out companies that do that. If the company cares, they can defend themselves, the same way we’re trying to defend the HN community.
I’ve pointed this out before [1], we need a way to call out bad actors, and not allowing for such comments is only protecting bad actors.
1: https://news.ycombinator.com/item?id=44441921