I disagree with the "obvious" part of this assertion. What *is* obvious is that the AFL-CIO is a corrupt bureaucracy, representatives of the Democratic Party within labor rather than vice-versa. But, it is the hallmark of sectarian leftism to state that workers should abandon a large union to form some splinter sect of the little that remains of actual workers organizations with actual workers in them. You might as well ask workers to burn their union dues which they've worked for years and years to contribute. Rather, in order to advance the workers' movement in the U.S., the rank and file needs to be agitating and organizing within these corrupted unions from within, electing out the bureaucratic officials with a radical leadership not beholden to the Democratic Party. The old officials will then have their capitalist sympathies exposed for everyone to see, so they can be humiliated and ostracized in whatever manner the workers deem appropriate.
Not to say that this wouldn't be a challenge....
-- d