Giving them more food and shelter will help them a lot, but they'd still be stuck in the same mess 20 years from now. These laptops are to help them learn how to develop so that they won't be in this mess later on.
Each of these laptops could be shared among 10-15 people for an hour each, and within a month they'll each learn how to make the community better. One'll be better at constructing homes, one might learn how to domesticate local animals to help around town, one could use his new knowledge to find or make better sources of food, or better organize and govern the community to work together.
Within a year a handful of these laptops could do a hell of a lot more than food, even if it costs a few lives at first.