And we import around 50% of our food and haven't produced enough for the population since around the 19th C at a time when the soil would have been substantially better. Clearly there are more important matters to care about like getting involved in more foreign wars which could turn a bad situation into a famine.
I was listening to 'The Plantagenets' this year during our horrendous weather seemed they also had some really lowsy weather during their rule and the starvation and destitution after the failed crop sounded well frankly pretty grim.