When someone ignores death threats and speaks out against something, they've earned a right to be heard, such as R. Joseph Hoffman:
I speak from experience: I have known such students. I have taught such students. I have watched them cower under the “authority” of Islamic chaplains of Quranic studies and Fiqh. I have been warned not to say anything to upset the “guys with beards” and having paid no attention to the warning I have managed to survive two death threats–one a close call in the final stages of planning my abduction.