This can happen without putting the most part of intensive payload in a form of external dependencies that can be cut at any point by many factors, while losing all the skills and knowledge on how to effectively plant and harvest. Qualified farmers don’t appear magically over night, let alone people with the passion required to invest their own life into it.

And exporting the model that ravaged one own land, selling the poison that was forbidden in the countries exporting it, what kind of behavior is that? Letting some land having a bit of rest while the same depletion process is applied elsewhere, how fair is that?