For my conservative friends, don't get hung up with the Keynes references; and yes, there was plenty to complain about in society and the economy during the post WWII era also.
Look rather at the big picture shift into a debt-based economy and the inequality that resulted as we rejected appropriate regulation, trusted in greed to be self-regulating, and shifted to debt as the path to wealth.
You'll need to pause the video at times to read the quotes and look at the data as it moves a bit fast.
For those unconvinced, please share your comments on which of the following principles you disagree with and why.