Just because something is difficult to measure does not mean it doesn't exist. People who have automated their jobs are unlikely to report that, since they like having a paycheck. But that doesn't mean it isn't happening.
Well... maybe not computers, which seems relevant: https://en.wikipedia.org/wiki/Productivity_paradox#IT_unprod...
Thus, in some market segments, it's possible for real productivity to increase without having a significant impact on economically measured output.
How do you measure the output of a DEI department? Now assume those people automated their jobs with Chat GPT. How would you measure the change in productivity?