They wanted to get everyone hopping mad. They seem to have succeeded.
How do you know the immediate objective of their march/demonstration?
While I hold no sympathies whatever for Nazis, neo or otherwise, is it not just too, too quaint that the anti-Nazi demonstrators turned out to be the real rioters, rock-throwers, destroyers of property and endangerers of life and limb? Their actions spoke volumes about the cogency of the rationale for their counter-demonstration.