I think you need to spend more time understanding cultures and history. You also need to track happening all around the world and put 2 and 2 together.
BTW they tried to convert every Hindu. You know Afganistan, Pakistan and Bangladesh were basically Hindus. We have probably lost count of how many Hindus died resisting conversion. Hinduism is the only system which has survived Islamic rule for so long in world History. Does that speak about Islam being kind or the basic strength of the Hindu system ?
Of course there good Muslims. But you need to read history in an overall perspective and dont look at isolated examples