That's a scary logic and it's the kind of logic that harms societies. Most violent leaders have used this style of justification for their actions.
We can not fight uncivility with uncivility. Doing so only makes the situation worse.
Sounds like moral panic to me. Do you not think neo-nazis are real or something? Serious question.
Never thought I'd see the day where calling out a webhost known for giving shelter to white supremacist shooter manifestos and doxxing murder lists for atomwaffen would fall under 'moral panic.'