It's a valid question, you don't have to respond to them but at least if the date is there the user themselves can have a fighting chance at looking up what's c

It's a valid question, you don't have to respond to them but at least if the date is there the user themselves can have a fighting chance at looking up what's changed since then. It's entirely possible a tutorial made for software 3 months ago or something might have outdated information if there was a new, backwards incompatible release, or that a news article might be missing information that was revealed only a few days ago, etc.