Is there an overt contradiction between 'But it is patently ridiculous to refer to someone whose sex is known as a chairperson .  Chair should be reserved for the office of the chairperson, not the person holding the office.' and 'Calling someone whose sex is known a chairperson is not so intelligent.'
But it is patently ridiculous to refer to someone whose sex is known as a chairperson .  Chair should be reserved for the office of the chairperson, not the person holding the office.###Calling someone whose sex is known a chairperson is not so intelligent.