At 34 seconds into the video below the RIB boat can be seen turning perpendicular to the ship's course then flipping over. I can't tell if the hoisting wire parted or not.
I don't see any sign of a sea painter.
A sea painter is a line that leads from the bow of the boat to the a point on the ship well forward of the boat.
Gibson's Seamanship and Navigation warns to keep the slack out of the sea painter and says about the boat: "if she tows from the whip or the falls she may then broach to."
I caught a few minutes of the show. I wonder how much experience or training the crew has. I going to try to see the whole thing next week.
PS gcaptain forum has some interesting discussion