MrBeast spends $3 to 4 million per video, and most of them lose money. This one, with the explosion, the 100 cops, and months of trap-building, will probably lose money too. He said he'll spend a quarter of a billion dollars on videos this year alone. Sounds like the worst business on earth until you look at where the money actually comes from. Feastables, his chocolate brand, brought in roughly half of Beast Industries' $450 million in revenue last year. The media side lost over $110 million…