Well, that is unless you are driving through NC State or Duke.
1. Some members of our illustrious fan base are complete morons.
2. Some members of some other fan base(who likewise are complete morons) did this as a joke.
If it is the former, I would hope that we could find a better target for our t-shirts than comparing our own coaches to each other. In this case of the latter, please divert your attention to locating something resembling a life.
Final Note: On Cafe Press, where this originated, it is found under a category called Tar Heel Shop and this logo is the only thing Tar Heel Shop sells. I find that suspicious.