Insects are already eaten regularly by ~60% of the world's population. It's not so much inventing a new industry as improving the tooling of one of the oldest.
That said, there'll always be a demand for a variety of protein sources. We've had access to complete plant protein for thousands of years, but we consume more meat than ever. Vegetable protein will likely always be the cheapest, and that has been the case since the dawn of agriculture.
That said, there'll always be a demand for a variety of protein sources. We've had access to complete plant protein for thousands of years, but we consume more meat than ever. Vegetable protein will likely always be the cheapest, and that has been the case since the dawn of agriculture.