Kentucky’s 31-6 loss to South Carolina was an all-systems failure. Those weren’t the exact words Mark Stoops used in his postgame press conference, but that’s exactly what it felt like. The piss-poor performance was stunning. About 48 hours after the defeat, Stoops had more time to rewatch the game and collect his thoughts. There’s not a whole lot he would change about his initial assessment, with one exception. “I actually do think our guys played really hard. We just didn’t play very smart,” Stoops said during his weekly Monday press conference. “We didn’t execute very good, we didn’t play v…