Pope Benedict said when anyone does his / her best at making a good faith choice even if there is a discrepancy with objective evaluation of a more accurately formed conscience  a person must follow his/ her own conscience incorrect tho it may be .
Read what B wrote .  And Vatican II says the same .  
In my childhood any kid who tied to lord it over others got this response , "O , somebody died and made you god ? "
Do you realize that forcing a person by guessing at their inner disposition is disrespectful of God as well as disdainful of your fellow human beings ?  
... somebody died  and   ?