However, there is a kind of shortsightedness in his attitude: The thing is, societies evolve because of technology and opportunities. So while it is preferable for each individual to have no internet and no malaria, society as a whole might progress more by taking care of the fundamental causes of poverty (lack of education and opportunity, government corruption, etc) rather than fighting the symptoms.
Even if it turns out that Gates is right and I'm wrong, dismissing the relevance of the internet as flippantly as he has done is intellectually dishonest to a certain extent.