You are not stopping people from taking in calories. In your analogy it would be the same as saying: you are not allowed to heat your home with a coal burner.

You are not stopping people from taking in calories. In your analogy it would be the same as saying: you are not allowed to heat your home with a coal burner. Same as saying you are not allowed to eat beef. You can still eat lots of other stuff, just not beef. The goal isn’t to eat beef, it’s calorie intake. Now I am not saying that we should ban cattle farming or beef and dairy consumption. In the end I see this as a problem of our current system not being able to effectively reflect environmental impact in price. Cattle farming has an environmental cost which is higher than other alternatives (chicken, soy etc.). This environmental cost is not directly passed on to the consumer. All of the alternatives you listed will not succeed in our current system because the environmental savings they might have can not be passed on to the customer. On the contrary: usually lower environmental impact has a monetary cost associated, making prices higher for products from these initiatives.