Extremists are extremists.

Everyone’s got crazies.

Muslims as you said.

For Christian’s in the US they are the largest terrorist group.

https://www.congress.gov/116/bills/s894/BILLS-116s894is.xml

For Jews (I am Jewish and Half Israeli) look at the current Israeli administration.

Frankly it doesn’t matter what religion, dogma, ideology, or doctrine you follow. Replace label X with Y. Someone will always take the rhetoric to far.