It looked like the driver thought they were going to hit one of the bikers and swerved to avoid, or maybe nodded off a sec. The first scenario may seem unlikely, but if they're inattentive I can see them jumping the gun. Either way, a holy fucking shit moment for sure.

I'm going with Saudi drifters.
They are always doing that kind of thing.

Probably was reading on their phone about sikverstone pucking in her childs mouth.

Looked like he was gonna move to the right lane and realized a cat was there and over corrected