Basically in countries where water supplies are limited Nestle come in and buy the water, meaning wells go dry but Nestle still have enough to sell. Those in water poverty can't outbid Nestle, nor pay the right people bungs.

Snopes does cover the situation quite well (see link upthread).

This sort of thing: https://www.nationofchange.org/2019/08/30/nestle-waters-prop....