11.1(1)The power of the court to make, amend or revoke a will in the name of and on behalf of a mentally incompetent person shall be exercisable in the discretion of the court where the court believes that, if it does not exercise that power, a result will occur on the death of the mentally incompetent person that the mentally incompetent person, if competent and making a will at the time the court exercises its power, would not have wanted.