It's OK to criticize, but don't be/get 'self-righteous' about it.
a 'self-righteous' person/tone
leading a 'righteous' life
(..) - This was never my life. You two can still walk away from this. Oh we will. I know you've suffered. Blah! Heh, heh, Captain America. God's righteous man, pretending you could live without a war. I can't physically throw up in my mouth, but... If you believe in peace, then let us keep it. (..)2015 Avengers: Age of Ultron