Overcontrolled the crap out of that crosswind landing, is what it looks like. There were big aileron inputs during the approach. Bigger in the flare.
But the reported winds, and the actual winds, aren’t always the same.
@Just a civilian pilot can comment on YYZ - my understanding is that the winds there are often tricky.
Who knows, might have been an OE flight.
Everyone assumes pilots on big airplanes like the 777 are experienced, but how does a pilot get experience? They don’t fly around in empty 777s - they operate them in revenue service (with passengers) and gain experience one flight at a time.
Reckon this flight had a less experienced pilot at the controls.
A bit more experienced after that landing…