Like one of them there horror fillums where a group gets stranded on an island and the locals dry bum them all and then kill them and eat them just before a new batch of victims innocently arrive.
That sounds like Billy Connolly's solution to the world's population problem. He quipped we should all eat someone we hate, that would cut the population in half at a stroke.
Not sure I believe the alcohol bit; most likely 'just' local alcohol like most AI's. As for the activities, filming, choreography stuff, did anyone seriously think that would not be the case!!