Earlier quoted context omitted.
I'm not sure what your "not muh eggs!" story has anything to do with a discussion about animal ag industry and scaling meat production to global levels. For example, how much do your backyard chickens contribute to global egg consumption, and what would the egg market look like if all eggs came from chickens living like yours? That's the kind of topic going on here.
Animals converting plants to meat/protein is more efficient than humans directly eating an entirely plant based diet.
Avoiding meat and dairy is ‘single biggest way’ to reduce your impact on Earth
https://www.theguardian.com/environment/2018/may/31/avoiding...
The climate benefits of veganism and vegetarianism
https://www.bbc.com/future/article/20220429-the-climate-bene...
https://ychef.files.bbci.co.uk/1600x900/p0c41hws.webp
Estimating the environmental impacts of 57,000 food products
https://www.pnas.org/doi/full/10.1073/pnas.2120584119
Sustainable eating is cheaper and healthier - Oxford study
https://www.ox.ac.uk/news/2021-11-11-sustainable-eating-chea...
Why the food system is the next frontier in climate action
Virtually all paths to a net-zero-emissions food system rely on consumers in high-income countries shifting to a more plant-forward diet, according to a recent study.
https://yaleclimateconnections.org/2023/04/why-the-food-syst...