>>11146925it doesnt work like that, they could have been lactose intolerant or something, in evolution many times its the stupid shit that does you in.
for example, many theorize that americans only lost agasint indians because of european diseases they had no inmunity against.
imagine if it were the other way around, europe couldnt have set foot in america until the invention of vaccination, but you wouldnt say it was because they were smarter
