There is a better solution to the problem: edible insects.
The first reaction most people have is that the public in developed countries wouldn't eat insects, but people once thought lobsters were gross. Changing people's tastes is not as large of a barrier as most people think.
If society is going to spend lot of money to spend on the problem, we should start investing it in the cultural shift to eating insects and see how far it can be taken via "influencer" and celebrity culture. It's a much easier problem than the alternatives.
https://theconversation.com/eating-insects-good-for-you-good...
https://theconversation.com/eating-insects-has-long-made-sen...
Before you downvote, look at the projected market size, even without an intentional cultural shift: