Unfortunately, his graph of polio results would indicate the opposite.
It's similar, in my mind, to school spending in Chicago and Baltimore correlates to educational outcomes:
When the problem needs both a systemic change and broad-based endemic change, more money is not necessarily the answer.
(For Afghanistan/Pakistan, it's to counter the anti-vaxx narratives that caused the program to stall out. For those school systems, it may start with food and shelter security for students)