Those were just a few examples to spark the imagination, not categorical demands for everyone, and there are indeed many caveats.
Furthermore, even though I did address individuals in the above points, going after overconsumption needs a system change and a big political struggle, and is not something that can realistically be changed with individual consumption choices.
But keeping in mind that saving the planet is mostly a political struggle, individuals can change the commonsense and what's considered normal.