In the end, when the fun and games end, Alt Right will succeed or fail on the basis of what it can deliver in its critique of Power and in its vision for a new Eurosphere consciousness.
In the late 60s, the Yippies had lots of fun and got lots of attention with their proto-trollish antics highlighting Pigasus, the hog candidate for the presidency. But in the end, it was the more serious leftist critics of power like Saul Alinksky who led the way in shaping the future. Abbie Hoffman and Jerry Rubin knew how to grab attention as clowns but didn't mean anything in the end.
Alt Right may be young, but youth fades fast, and immaturity cannot define a movement.