Only because you don't believe in the genius inducing power of RMK's farts ....
Every champion in his coaching era had an offense in the 3% and generally lower. Since 2002 all but 3 were in that elite range. Two of them were in the teens. Only Conn in 14 bucked the trend being in the 30's .. and that was a miracle run led by a dynamic PG. In the 30 sec era, every champion was in the elite range.
I watched them a lot during and after his final four... his offense struggles to score consistently. He doesn't pass the eye test and he doesn't pass the stat test.
Here's his off efficiency rankings...
36
54
32
47
25
50
44
Sure, it can be argued, he could buck the odds like Uconn did, or even maybe change like Gard has and join the modern era, but neither are probable.