It makes his point irrelevant; those workers' interests pale in comparison to that of the owning interests of those corporations. He presents unions as the sole cause of the problem, which is not only intellectually deceitful, but quite incorrect. More importantly, it reveals an underlying agenda that needs to be challenged as strongly as possible in civic discourse.

In fact, private prisons and unionized guards aren't even on the same side, due to the former hiring largely non-union labor. And the private prison industry has been growing and lobbying faster than ever:

http://thinkprogress.org/justice/2011/09/26/328486/us-privat...