In the West, Andelson argued, human rights have been an issue that are often invoked but seldom intelligently considered. Thus there have been pressure groups pushing for this, that and the other right to be recognised without considering how such a right might impinge on the freedom of others; for example the right to free expression versus the right to privacy, the right to life of the unborn child versus the mother's choice. Seeking to establish the ground for rights, Andelson exposed the inadequacy of the radical-humanist, utilitarian and self-realisation approaches as well as many widely held Christian approaches, and developed an original thesis.