The rights and functions of the judiciary have not been subservient to the politicians or the Prime Minister before or after the amendment. This is because the amendment involves only the procedure in which the AG was given back the responsibility to transfer cases. It did not give the Prime Minister any authority to overrule the courts.
Perhaps Tun Dzaiddin might be able to tell more about lobbying for high judicial appointments. Malay adats have a very powerful role in the governance of this country.