It would be a great trip but I'm not sure that really helps TN in any way other than playing a Power 5 / Big 10 team on the road. It would benefit Wisconsin immensely more to play a game in the South from a recruiting perspective.
We are big Packers fans(my son and I). He went up there over the Christmas break and saw them play the Lions.
The game sucked but he did something that is also on my bucket list. Apparently the atmosphere is just like you might have imagined. Tailgating at 7AM in 20 degree temps, super food and drink, etc.
But according to him, Miller beverages are dominant. Nothing else sold.
I think we will go this fall.