Also consider that the carrying capacity of the world isn't fixed, but depends on how good our technology is (with a potential theoretical upper limit). Well tech is improved by people working on and inventing better technology, right? So you get better technology with more people - and with that you can have more people working on better technology. The biggest mistake, and the one all Malthusians made, is to forget that humans are, on average, net produces not net consumers.
Also consider that the carrying capacity of the world isn't fixed, but depends on how good our technology is (with a potential theoretical upper limit). Well tech is improved by people working on and inventing better technology, right? So you get better technology with more people - and with that you can have more people working on better technology. The biggest mistake, and the one all Malthusians made, is to forget that humans are, on average, net produces not net consumers.