I know children are Netherlandsthe future but, damn, they didn't have to do us like this.

Please read this tweet, but steel yourself if you — like me — remember the '90s because you're about to catch a stray jab to the heart.

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That kid has no idea just how devastating a blow they landed on Sarah J. Jackson, a professor at the University of Pennsylvania. Assuming you're an old like me who remembers Y2K, that's how old we've gotten: College kids think we lived in the olden days.

Jackson's post inspired some great responses about young folks accidentally insulting The Olds. Here are a few of the best:

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The tweet obviously blew up, and, to her credit, Jackson put the attention to good use.

"Oh wow," Jackson wrote. "Hey, I don’t have a soundcloud but you can support by wearing a mask, staying home and washing your hands so one day students and I can have class in-person again without risking our lives!"