I did mention that, but it doesn't mean it was first published then. It could have been first published years ago, and then recently edited to fix a typo.
How do I know the last updated time isn't just new Date()? After all it would be true the last time the page was updated is today. What was updated? The last updated time.
They could have rebuilt the page with a new template or something. knowing the original pub date is kind of important for placing the decision in context.
Located at the bottom of the page.
Typically if a page is no longer relevant but recently updated (like this page was), it would be denoted as such right up top.