Trust me their experience wasn't isolated. The literally didn't de-ice anything, the stairs, the aisles, anything. Massively unsafe in that stadium. Also, they didn't do anything of that on the campus either. Just a slip and fall break your neck lawsuit city waiting to happen.
I even joked to some of the ku fans that they didn't de-ice the stairs to take out some of the k-state fans, they agreed that's probably why