Okay, I don’t trust GMOs, but fine- Let’s assume that after extensive multigenerational testing, we find that all GMO food products are absolutely completely safe for human consumption with no side effects.
The cons still outweigh the pros by a long shot.
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They encourage monoculture. I can’t really find any realistic scenario where monoculture can be considered a good thing.
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This technology and the related patents are largely in the hands of corporations that are known to use the law as a weapon, buy and sell senators, commit various financial crimes, and generally behave like, well, multinational corporations. At least one of them has actually stated a goal of monopolizing the world’s food suppy. There is no universe in which that is in any way okay.
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Most of the GMO crops are designed to sell more pesticide and weed killer. I’m all for using that sort of thing when necessary, but we’re already using it the way we use antibiotics in livestock: Using more is not a good strategy.
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Finally, and this is a big one- this is a technology which can reproduce and spread without our help. We’re not talking about engineering some e-coli to produce chemical X in a vat in a lab- The entire point of this technology is to release it into the wild. I know that “it only takes one errant seed” sounds alarmist, but we have clear, verifiable case histories here: We know exactly what happens when one snakehead fish or one emerald ash borer or one tiny bit of milfoil or kudzu gets loose in the wild.
Yes, yes, I know that they have the potential to “feed the world”. You know what else has the potential to feed the world? Not being dipshits with what we already have. When we throw out something like half the food we produce, the problem isn’t producing more food.
The problem isn’t that people don’t have food, it’s that they can’t afford food. This is a software problem, not a hardware problem. If we stopped being the kind of assholes who destroy ecosystems and strip mine any country with a weak government and an exploitable resource, we wouldn’t need superfoods to take up the slack.
So, I don’t have complete confidence in the safety of GMOs, but really, that’s the least of my reasons to be against them.