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No, it is the oil companies and that oil is permitted to be used.

When something is permitted, it becomes mandatory to somebody, and oil is used widely. Personally choosing to avoid products that used oil in their manufacturing would basically relegate you to having to farm your own food by hand. That is not feasible in a society with competition.

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And equally, not permitting oil to be used would create a multi-continental scale famine with hundreds of millions dying.

Obviously the transition away from oil should be gradual, and the sectors which are hardest to transition could be given more time to do so. But there's no fundamental need for large scale use of oil, it's just the current infrastructure and limited tech that's the problem.

Hundreds of millions will die due to climate change if we don't act.

I'm sure it would, but it could also be avoided without any major problems.

The problem I think, is that oil would still be mandatory because of competition between countries. Especially if there were wars.

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