a vast majority of the world population is lactose intolerant and they don't digest dairy well. meat and fat as amazing 👏 but dairy no so good for many.

according to David Sinclair it's better to avoid dairy proteins for the longevity genes expression

https://bmcecolevol.biomedcentral.com/articles/10.1186/1471-2148-10-89

"Conclusions

We conclude that this difference in frequency could not have arisen by genetic drift and is either due to selection or, more likely, replacement of hunter-gatherer populations by sedentary agriculturalists."