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8 billion people growing their own food wouldn't be able to live in our planet even if they had all the necessary skills. Industrial agriculture and related technologies have radically increased the amount of food we can grow compared to individual small farmers.

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Both of these points can be true at the same time (and IMO are). Tech changes society, but society should also reflect on these changes - and decide whether this is the direction we want to go, the tradeoff we want to have.

> 8 billion people growing their own food wouldn't be able to live in our planet even if they had all the necessary skills

In the way we currently live, no they wouldn't. But it sounds like you're saying "wouldn't be able to", full stop, which I don't believe is true. There is no reason that all 8 billion people (with the "necessary skills") couldn't grow their own food, theoretically. It would require the west giving up the way we live, but it's worth noting that this doesn't make it impossible.

Well, if by "the way we live" you mean "not having widespread malnutrition problems and hunger periodically killing significant parts of the population", then sure thing.

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