Please elaborate. Firstly, why is it necessary to treat them differently for "the survival of the race"? Secondly, yes, Women are different, but that doesn't me

Please elaborate. Firstly, why is it necessary to treat them differently for "the survival of the race"? Secondly, yes, Women are different, but that doesn't mean that a: It's appropriate to comment on a woman's cleavage at work or b: that women can't be equally good software developers