The Workforce Hasn't Changed, Valuation on Quality of Life Has
I'd argue this shift in perspective of a critical mass of people is the tipping point of true change in paradigm. The most effective form of protest is not marching in the streets en masse (which is great for visibility of the cause but traditionally pretty lousy at changing things) but simply opting out of a system you find objectionable.
How to Begin De-Fanging The Isms in the System
How to eradicate the affects of racism and classism in America is to reconfigure the tools used by bigots and the greedy.
How do you want to be defined? By one action? By some opinion that could evolve? By a mistake, regrettable only with hindsight? Or by the sum of your parts? Okay, do that for other people. Start the trend.