Cause if I understand the implication correctly, you're basically saying that the 2-3 megacorps who control food production (which is already far from true, IMO) are literally poisoning people to cause them to need antidepressants.
https://www.theguardian.com/environment/ng-interactive/2021/...
Americans eat the most hyper-processed food on the planet. They're also over-prescribed with anti-depressant pharmaceuticals. Causation/Correlation? You decide: move outside the scope of Bayer's and Monsanto's reach, and see for yourself how less depressed you feel on a daily basis after a few months of real food ..
Final word: Nestlé.
Let’s assume, for sake of argument, the conclusion of your assertion is true in that we are being poisoned and offered medication to mitigate the effects of said poison. This is more likely the effects of independent actors acting upon their respective self-interests.
Food companies try to drive costs down to sell cheaper products at the same price, which may end up having poor health consequences by virtue of untested substances having mass exposure. Pharmaceutical companies respond to market forces by developing drugs they can get funding for, which usually ends up being ailments that a lot of people have. There are way more efficient ways for them to team up and make money, this is just a side-effect of large institutions acting in self-interest.
Because they are all members of a society whose food production is controlled by 2 or 3 mega-corporations, who also, incidentally, have an interest in selling pharmaceutical products to make people feel better about their lives ..