A shocking incident happened with me today and I wanna ask Hindus that what is the most brutal way to punish them.

I and my friends were chilling at a shop. Three Muslims, all of them were 18 yr old came to the shop. One of them asked me suddenly, religion konsi hai? I said Hindu. Then they started abusing Hinduism and Hindus and said ki whole Hindu community ko khatam kar dena cahiye and Hindus ko India se dur karna chahiye jaisa ki ISIS ne Syria me kiya Hua hai. What can be the most brutal punishment for these three guys?