Actually, there is still the possibility that conservation/symmetry is also just an approximation of the actual fundamental laws. Lee Smolin argues that way in

Actually, there is still the possibility that conservation/symmetry is also just an approximation of the actual fundamental laws. Lee Smolin argues that way in his book Time Reborn: https://santitafarella.wordpress.com/2013/06/04/lee-smolins-time-reborn-physics-evolution-atheism-and-buddhism/ https://santitafarella.wordpress.com/2013/06/04/lee-smolins-...