[etyp]

There is a chance that the title here was intentionally worded to answer a question people are likely to search for, then actually answer their concerns.

[barbazoo]

Then the "alternative AI-generated title next to the original title" would say so.

[krapp]

HN would never do that, it would violate the minimalism of the site.

Most people aren't even aware that their posted URLs can be changed or their titles re-edited automatically because the UI doesn't give affordances for anything. You're just expected to notice and edit it out within the edit window (which there also isn't an affordance for.)