Instead of strict adherence to moral laws, Fletcher attempted a reduction of Christian ethics to what many would agree is the overarching theme of Jesus’ ethics: love.
Fletcher faces the criticism that his theory cannot be considered properly Christian, since it seems to only follow the command to love, ignoring most of the teachings in the Bible.
Martin Luther’s theory of 'sola scriptura' argues that the 'Bible alone' is the source of moral authority, not the autonomous individual deciding the demands of agape in their situation.
Fletcher disagreed with the traditional view that conscience is an internal moral compass or mental ability to intuitively know what is right or wrong.
If a commandment is only to be followed when it accords with agape, and should be ignored if it conflicts with agape, then agape is the only commandment you actually need.