When did we progress from using body parts as generic swear words to use them to single out and demean women, specific castes, or anyone who is not 'manly' enough?

What Jada Pinkett Smith did or was doing, would have had more impact than what Will did, but Chris Rock and his insensitive joke, which would have died its natural death, was made immortal.

Both parties seem to have committed despicable acts but at the end it appears that Amber Heard is paying the price for not only her indiscretions but for his too. Are we calling this justice now?

While 57 year old Khan, being a man, enjoys the luxury of "ageing gracefully", 41 year old Mona Singh must give in to our societal norms where older women are considered to be easily disposable. 

That is the image of a woman that they are comfortable with, like their mother cooking in kitchen, keeping the household clean, doing the laundry, and so on.