Divine law is "Things that are born, are bound to die", like animals, trees, humans etc. This is also true about groups, cults, sects formed by one man's philosophy, because sooner or later it gets outdated & irrelevant. However, Hunduism has emerged alongwith the creation of this universe & is therefore Sanatam (without begining & without end). Hence the worshipers of Ganesha (or other Dieties) are trully worshiping the eternity which is the true nature of God. Jai Ganesh