Every productivity gain is only meant to make workers faster which earns profits faster for the executives and shareholders.
With the prospect of faster work, execs and shareholders are salivating at the thought of grinding workers more in the same 40 hours/week but earn more profits for the same amount of hours.
If we want our children to live a better life than us, we need massive changes in laws (healthcare, exempt workers etc.).
JPMorgan's billionaire CEO does not speak for the many decamillionaire CEOs who want to get into the billionaire club.
That's how we got the work week down to 40 hours.
There's a bill in California to decrease it down to 32 hours.
We could already be at 28 hours if we voted for it, theoretically.