The Lie about overpopulation

somebody once told me the overpopulation idea is a lie, he claimed all humanity would fit on the size of texas, I thought this claim to be so ridiculous that I went on wikipedia and divided the land mass of texas by our population, I was shocked. Carbofootprint would go down significantly if people wouldnt live in population dense areas. Just the logistics of bringing people, food and other goods constantly from A to B consumes so much oil. Imagine especially daily goods like water and food they need to bring from far awat. Visa versa with wasteproducts, we have to bring them again out of the cities, again every day. Look at nature, Salmonella, Fungi, Insects and other species are good, but just let one become too concentrated in one point and the become dangerous like a virus. Living in pure lands doesnt mean it need to be destroyed. People who live next to nature keep it clean, its the people who dont live next to it that are not aware that they are damaging it, and so they continuing indefinitely. From waste in oceans to cut down rainforests. They let companies destroy the earth in their name(economy) and in there ignorance. On the other hand, this is what we are doing https://www.gofundme.com/rainbow-crystal-land-magic-hat