He wants to teach his players the important lessons in life. You know how parents take their kids to poor areas to teach them about gratitude? For example, when I was a kid my parents took us to Tijuana so we could see that not everywhere is as nice as Orange County.
Apparently some of his players were too complacent and not grateful for what Clemson has to offer so he took them on a trip to Rice Eccles Stadium so they could see that some schools have to play in tiny stadiums that barely hold 38,000 people.