There are many people who claim to have knowledge. Even the Taliban believe they have the most knowledge of Islam. How wrong they are. Shia and Sunni people with knowledge will differ. We will never be able to get over basic questions how are we going to apply our logic for big things?
How? It will be very difficult when the shias sunnis demand different things and when even hanafi, sufi and wahabi can't seem to agree on anything.
I strongly disagree these are Allahs laws. These are the man made laws of humans and these humans think they are applying Allahs laws.
Can you define shariah? What will be its parameters, its rules? I think we have enough Islam in our lives. We have the blasphemy law and witnesses law for rape, even funds for haj while we do not have funds for Hindus yatra which is very unfair in an egalitarian society-I mean if we had an egalitarian society.
How do you know Allah wants these laws? What if he doesn't and expects us to conquer hearts and minds with a secular system? After all in a secular society people see the goodwill of us muslims and automatically convert.