2. No fur.
Well most of it arm pits and groin to reduce friction hair on head for protection?.
It’s why you smell hair when fast walkers pass you.
Most women’s hair thins after infant-rearing age. LOTS of men lose most of their hair. Why wouldn’t continuously-growing hair in these people matter to species survival?
I’ll give you one point though. On men, where is the most vulnerable point to physical attack, and why do men have continuously-growing beards throughout our lives?