She was in an SUV. Apparently (I've now come across a lot of SUV anecdotes that make me think so) the usual rules of the road do not apply when you are in an SUV. If you are in an SUV you are apparently allowed to drive according to whatever rules you deem fit, and it would seem that this extends to haranguing other road users about the fact that they are ignorant of the simple fact that you are supposed to defer to someone in an SUV.

Is it indefensible schadenfreude to note that during the last cold snap when we were snowed under and driving conditions were dicey - well - most of the vehicles in ditches by the side of the road were... SUVs...