I agree on this. Let us make hinduism shining in all its glory by reforming it. What needs to be done is to bring its practices in conformity with genuine scriptures like Gita.
The Posts taht u see pointing out that Christianity and islam also have such things is becoz of the vicious, unjustified attacks launched by people of these religions on hinduism. Whern they do it, it is not wrong to point out what wrong things they do.