I'll chime in and say that covid lockdowns plus the war on fossil fuels (one of the dominant input costs of food production) is my best bet for explaining this.

I'll chime in and say that covid lockdowns plus the war on fossil fuels (one of the dominant input costs of food production) is my best bet for explaining this. Both of these are certainly policies advocated by the political leadership and prestige media. However I haven't dug into the details of this, so my epistemic confidence is "moderate".