Why doesn't anyone take binoculars on board an airplane to observe while traveling?

Good evening. Why doesn't anyone take binoculars on board to observe the landscape at cruising altitude and at low altitudes when there are few clouds? If, as a passenger, you look diagonally downwards out of the airplane window at a 45° angle with binoculars (zoom binoculars with a maximum magnification of 30x), you can see…