Most white supremacy orgs tend to be more aggressive with their tactics than PUSH/Rainbow or NAACP. Then there's the lingering backlash against the excesses of Jim Crow. The pushback is starting, though: witness the high school kid who tried to start a whites club at his school, and other similar white-heritage (but not anti-anything) attempts.
250 "antifascist" socialists rioted in Toledo to protest 12 neonazis marching there in response to death threats a white neighbor received from black gangs in his neighborhood. The neighbor did not invite the white supremecist group.
I don't think that the gangs invited the (Canadian) socialists, but they still came to town.
And those "antifascists" socialists? They call Freepers and President Bush "fascists" on their website.
You may think they are non-violent.
What about Nation of Islam followers Malvo & "the other guy"? They shot up people in the DC area. Maybe you heard about it.
The hate speech from bigots like Jesee Jackson and Al Sharpton is as offensive as the things former Dem-turned independent-turned Republican-turned independent David Duke has said.