Assumptions of absolute evil in the hearts of those on the other side of an issue is ugly. It's not liberal, either.
Deciding that you and your friends alone are on the side of the angels is too Fox-like for me to applaud.
Vigilance is good. Protests are good.
I would remind you that extremism in the defense of liberty is no vice! And let me remind you also that moderation in the pursuit of justice is no virtue!