Because if you do ignore basic physical constraints, you will eventually end up believing that "green" is a country that emits 5x more CO2 per kWh while boasting it's 40% share of RE in its energy mix, and at the same time opening new fossil gas power plants. The only way to make sense out of it for you will be to come up with conspiracy theories and blame "them", while the explanation will be simple need to have 24/7 electricity supply...