Take your most stereotypical extreme "Lefty." Anti-Establishment, Anti-Capitalist, Anti-War, Anti-Racism, Anti-this & Anti-that. Do you see the problem? Negativity so deeply entrenched in their core it blurs the positivity of their ultimate goals of equality. The need to be against something is so strong that before the thing they are currently fighting has even been won, they are preparing for the next fight.