It's bit stronger than "we don't like them"
>Maybe we should invest in proactive body defenses against virus instead of just killing some random things.
Invest more than the billions that billions that Bill Gates has already invested?
I honestly don't known but he seems to be a very clever guy and eradicating species doesn't sound to be a clever solution and really not a good long term solution.
What if you break a whole ecosystem ? What if those mosquitoes contain invaluable genes for future medicine? What if they offer a unique window on the evolution of insects?
But hey, who care? Kill them all..
He's written about it:
https://www.gatesnotes.com/Health/Eradicating-Malaria-in-a-G...
Yes, and in fact he's done the research, written about it and ultimately it may have been his investments that led to this conclusion.
Or we can just let hundreds of thousands continue to die because they might magically contain the cure to cancer in the future.