Yes, I Know About Today’s Teefury.com Shirt
And yes, it’s cute. If you want it you should run over to the site today, as I understand they generally stock any single shirt of one day only.
A couple of folks have suggested the shirt was inspired by my book, but I think as a rule we can assume that any random reference to a red shirt traces back to Star Trek — as indeed my book did. I have an ego, but I also know the more likely explanation.