Of course, that's not popular with the globalist crowd because an investment might actually return a dividend in the form of profit. That would be horrible because money and profit are evil. It's sad that a guy who's presumably as smart as Gates buys into such rubbish.
Maybe he sees that if he directly contributes to vaccinations, it would go to that. A lot of time when money is given to these third word governments, the despots just use it for themselves to keep their thumb on their people.