It was intentional, he merely cut the wheel and pulled the handbrake. Watch the video again. There a large element of skill there.
Not from where I was sitting.
SUV screams by on the right ... then hard breaks for slower traffic.
Econo car screams by and doesn't realize the SUV had to break hard.
Econo car slams brakes on causing skid and then steers to the left to avoid possible rear ender with SUV ... which cause the rear end to slide to the right and the car to the left.
Econo car tool ... very lucky.