most of the "hay" exports to Saudi Arabia from Imperial county in California, and Yuma county in Arizona, of which I have personal and specific knowledge, is alfalfa - most valuable conversion of water rights for export.
Would you rather live in a world of 100 billion on efficient food only or 1 billion that can actually eat meat and other tasty things?
Or, you know, spread to space while we're at a local resource maximum.
In other words, you'd rather live in Bangladesh than the US you're apparently in? Why haven't you moved yet?
And walk me through how we limit population to allow resource excess, without artificial population controls and managing the economic impacts of a shrinking population, and I'll consider it.
Life on soylent in a dorm is not worth living.
Distracting people from fucking isn't a feasible sustainability target when applied to the whole world.
This is an argument against overpopulation, not for lowering living standards.