Your comment basically assumes that everyone lives in poverty.
Which, granted, isn't that far off from the truth, but the reality is that it takes an extremely poor person to think like you - to the extent that someone dropping $25 bucks on mac and cheese for a kid probably doesn't share your sentiments.
Those schemes are more fly by night and don't last long.
Websites that sell illegal products are almost always based in a place where the product isn't illegal or enforced.