It's a US project made by the good people at the US MIT, without US initiative this project might not exist yet.
Sure thing, I wish India, China, Europe, Saudi Arabia, all join together and make sure every child on this planet get a fair chance at education now.
It's politics that decide the priorities and where to put the money, tax who and sponsor what.
The idea is sure enough we need to build a few million more/better schools, and bring Internet to all. But, even though those things have to happen, better food, better health and security, we might as well give the children a school in a box which a Laptop has the potential to be.