The article is about the UK, but the HN headline has chopped that part out.

In the US, your car is a far bigger impact than your diet. We need to enable ways to live without a car, like legalizing corner stores, legalizing the housing density that allows for good transit, etc.

In the US, people who are trying to avoid climate action focus on diet rather than our true sources of emissions. And the US has the most action to take since we are such ridiculously high emitters.

If you want to change your diet, that's fantastic. But if you are in the US, you have far far bigger concerns to address first.