I always guessed it was cause he was gen x and just ran with it.

But I try not to think about it too much either, cause then I'd be spending thinking time on something wasteful unlike dissecting Simpsons jokes I've heard 50 times, which I find more fulfilling.

That's not as much of sarcasm as some may think, I love trying to find new ways to interpret even the stupidest jokes if there's an angle I haven't considered. There's usually not many but it passes the time as Bowerick Wowbagger the Infinitely Prolonged would say.