[whack]

It sounds like you're describing a malthusian trap, where providing people with resources would simply lead to higher population and a return to the baseline quality of life? If that were true, we would expect to see poverty and malnutrition remain relatively constant over the past decades. Instead, what we've seen is a dramatic reduction in both poverty and malnutrition, all over the world. At the rate we're going, extreme poverty and malnutrition will both be eradicated within our lifetimes.

Nicholas Kristof actually had a great article on this very topic, which will restore your faith in humanity: https://www.nytimes.com/2017/07/01/opinion/sunday/good-news-...