And yes, food is cheaper now. The price might not have changed, or maybe even seemed to go up, but you're forgetting inflation.
In Latvia where I live in its false completely. Other EU countries also don't experience food price drop as I now (adjusted to inflation of course).
But if you look at the world as a whole, you see strongly positive number of new jobs (HUGELY strongly positive), which means, as I've said, that jobs are not disapearing, they are moving away to other developing countries.
World population grew by 1 BILLION last decade. You have to see at labor participation rate, which looks completely different!