^^ sati, child marriage, female infanticide & castism is/was not just specific to hindus.
more of cultural traits than religion.
Dhillon ji, you are just trying to be bit more polite as Mahaj raised a direct question on one of the brutal ritual (sati).
Let's be honest, ritual of Sati was done by Hinuds, there is no documented evidence of this ritual being done by Muslims, Sikhs or Christians.
If Raja Ram Mohan Roy would not have accepted it as bad ritual in his society and kept mum, this ritual would have continued.
I guess, that is the point Mahaj is trying to make (to JB) that sometime you can't keep mum for all the religious/social hidayats. For the sake of humanity you have to speak.
Even today, Sikhs have sunk into this culture of Dowry, Mujra (dancing girls on stages) and alcohol during Marriage ceremony. Ppl need to stand tall and speak against it.
P.S: Sati was a voluntary ritual, it was not forced on woman. Forcing a woman to burning pyre was never a sati.