>>Those "business contributions to climate change" exist because they're producing goods that consumers want; you can't significantly reduce that without also affecting consumer lifestyles, by reducing the options for the number of goods, or making them more expensive.

>without actually tackling industries and corporation that do way more harm is just stupid

I think you're missing the parent poster's point, which is that consumers ultimately pay for everything. "tackling industries and corporation" ultimately means affecting consumer's lifestyles.