Road Rage Karma can be a B###

So she is recording the entire thing and you cannot help but ask, is she provoking him?
Why does she still stay in the left lane even after the lane with trucks on the right was clear?
Unedited word from the video description:
This happened to me on SR 41 in Tampa on Monday March 24th. This pathetic excuse for a human being tailgated me for about three minutes. After about a minute, and me shaking my head, I pulled out my phone and started recording. I couldn’t move over because there were trucks in the right lane, and I sure as heck wasn’t going to speed on a rainy day with the roads being as slick as they were. I was turning left in about a half-mile when this happened.