100 years ago, rednecks were badass. If their boss didn't pay them enough or treat them right, they'd burn down the factory and destroy their means of distribution. If the police or government didn't like it, well, they're dead cops.
Now rednecks are all like "b-b-b-back the blue..." What the fuck happened to rednecks?
I think it has a lot to do with better paying jobs and being able to live the American dream. My uncle when he moved out of my grandparent's home was able to land a nice job in a factory and managed to start his own construction business. People who're able to live a nice and secure life, even under a disgusting system like capitalism, are never going to risk all of that during a labor strike. If anything they're more likely to take up arms to defend the status quo to defend their material wealth.