Uh, it could also be the wealth increase that globalization brought? Food is more affordable now than ever before as well. I hope we don't throw around casually

Uh, it could also be the wealth increase that globalization brought? Food is more affordable now than ever before as well. I hope we don't throw around casually theories like that. These things usually are very complex and have multitudes of cause which may or may not center around a single event.