Unsecured gas pipe, switched cpc, and the cable about to be cut... looks like one of those Hollywood films where the assassin is setting up someone's house to kill them in an explosion!
Dunno - doesn't play for me - I shun Faceberk and all its works.
But generically, people can get things wrong because some of them are of the opinion that not having a clue should not under any circumstances be a bar to fiddling with things.
Although not stated in the video, from the items shown it appears to be a caravan/motorhome installation, and the white flex is the incoming mains supply.
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