There is a doctor who only cooks with butter because he says 95% of the olive oil being sold at stores is fake, thoughts?

I wanted to buy real olive oil years ago and the brand I saw online was over $100 per bottle and the bottle might only be enough for 3 weeks of cooking.

Now they might be exploiting the fact some people are desperate for real stuff and will pay more than the market value for something they think its useful, but it makes me wonder whether you can trust the cheaper brands.

There is a doctor who only cooks with butter because he says 95% of the olive oil being sold at stores is fake, thoughts?
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