Submitters: please don't editorialize titles. This is in the site guidelines: https://news.ycombinator.com/newsguidelines.html. We've reverted the title now. (Submitted title was "Y2K problem came back with vengeance in 2022".)
I don't think it's particularly widespread, and if anyone can do it it makes sense for mods to have that power. However I have on numerous times (in absolute terms) seen mods change titles to something more informative than the original. I wouldn't necessarily call that "editorializing," though.
"dang" is not a single person a cybernetic entity - hundreds of human beings being worked to death in an underground facility against their will, all mediated by the most sophisticated AI known to man.