Do the years since 1914 confirm or undermine Enlightenment predictions about the future of humankind

It confirms enlightenment thoughts

enlightenment thoughts had to with individualism, liberty, reason and skepticism, which included the decline of traditional religious views.

The period after the beginning of ww1 saw the increase, in revolutions and protests for freedoms and liberty, a rise in individualism and the decline of the role of religion in daily lives.