It's an insincere argument It's not reasonable to connect vitamin D to anything 100k years ago when vitamin D is so heavily influenced by diet and weather, bot

It's an insincere argument It's not reasonable to connect vitamin D to anything 100k years ago when vitamin D is so heavily influenced by diet and weather, both of which changed wildly. Lactose tolerance, megafauna, fishing, the last glacial maximum- just 20,000 years ago people were undergoing massive differentiation in vitamin D production and utilization.