Reason is simple. Because Rama belongs to all world people. And Hinduism is "saying what is being done and doing what is being said" which is not being adhered to among 85% to 90% people in world.

Dr.Subramaniam swamy ! As long as Hindu swamijis-babas continue to be partisan towards all world people,no law court can give orders to construct ram mandir in ayodhya.