Today's "millennials" should be aged, from birthdates, no later than 1994-1996 or so, making them 22-24 year range.
Not sure where 'just high schoolers' came out of this story. Perhaps some? More so would be college. But hell, I don't even see 'high school' written in the article.
This is why it sucks when folks rip apart entire articles to find a particular sentence, and one I don't even see in this article. But even if, and I'd like to see the whole thing in context.
Either way, no one is saying what you're saying. Other than "men" turning less manly in man buns and being all about the queers and genders.