Women cannot show chest
Why ?
Because boob offensive
But boob can be shown with nipple covered
So boob not offensive. Nipple offensive.
Men can show nipple
Male nipple must be different to female nipple. Male nipple is acceptable, female nipple is not.
But women who have had breasts removed can show nipple. But they still have female nipple.
So female nipple not offensive. Just boob offensive. But boob can be shown if nipple covered. So boob not offensive.
Round chest combined with nipple offensive.
Cis man has round chest and nipples? He can show. Not offensive.
Why not offensive? Because he man.
...
Chest only offensive if attractive to heterosexual male. Heterosexual male like round chest. Only the opinion of the heterosexual male matters. Women must cover chest for heterosexual male.
