His point is that our economies didn't cope well with the previous "gradual" price rise and that we can expect further "gradual" price rises in the next decade

His point is that our economies didn't cope well with the previous "gradual" price rise and that we can expect further "gradual" price rises in the next decade and that most economies will not cope well once more. You may not personally have been affected by the previous price rise, but in the developing world and for people already living below the poverty line these price rises will trigger more riots, revolutions, mass emigrations and resource wars. And then there's fertilizers...