Edited sentence: Critical Mass encourages lawless and dangerous traffic cycling techniques.Critical Mass generates more ill will than goodwill towards cyclists, cycling and alternative forms of transportation.Critical Mass is sometimes dismissed as nothing more than a politicised party; some Massers turn this criticism on its head, embracing it with the slogan "We're not going to the party, we are the party.Criticisms of Critical Mass include:.Intentionally blocking emergency vehicles such as ambulances.The undefined goals of Critical Mass are not worth the confrontations that inevitably occur when a large group acts out of the ordinary in public