Kicking doesn’t seem to be the right call for a few main reasons:
1. Shanahan has said he wanted the ball third. If they scored, but KC matched, the next score would’ve won and that would’ve been their chance.
2. Their defense was exhausted. They needed the rest.
3. The analytics one way or the other is basically 50/50.
Fault him for playcalling but not that imo. Iirc the situation correctly on their initial OT drive, it was 3rd and 3 and they threw a pass. At the time, I recall thinking screw in, run it with CMC. He’s your best player. If you’re short you’re short, but…