Why start at the Holocene? Worldwide, temperatures went up 5C at the end of the Pleistocene. Strangely I never hear people blaming the extinction of neanderthal

Why start at the Holocene? Worldwide, temperatures went up 5C at the end of the Pleistocene. Strangely I never hear people blaming the extinction of neanderthals on their inability to take public transit, but clearly climate change existed back then, too.