There are lots of things in the world we “don’t need”. We don’t need phones, we don’t need any “luxe” products, we don’t need restaurants, we don’t need video

There are lots of things in the world we “don’t need”. We don’t need phones, we don’t need any “luxe” products, we don’t need restaurants, we don’t need video games, we don’t need youtube, we don’t need pornography, we don’t need more than two changes of clothing per season… but most have all the above. What’s the cutoff?