Most people don't care about t-shirts. 

For them it doesn't matter that the cotton gets softer and softer the more you wash it.  They don't care that we've developed special inks that you can't feel on the t-shirt.  It's not a big deal the the fabric is cut for an athletic fit.  And, they certainly don't wear t-shirts with secret warrior codes.

But that's what this t-shirt is... a secret warrior code:  PRs are better than KOMs.  Any fool can grab a KOM, but only a master can grab a PR... and only a master knows if the public KOM is legit.