That's Marx's genius plan to achieve freedom? Everyone works less? That sounds like the 5th-grader running for class president on the platform of implementing all-day recess.
Sorry Gary, it sounds nice but it ain't gonna work.
And between you and Marx, the solution is to decrease the amount of hours everyone works and significantly de-link from the world economy. And this will somehow promote human flourishing because Timmy can spend more time being an unproductive dog yoga instructor rather than a productive coal miner, right?
Have you thought through the consequences of such a plan? Do you have any solutions for the problems that will arise? Have you actually considered the specifics of how you will meet everyone's physical needs that doesn't end with millions starving to death? Or do you think all the details will just work themselves out simply because you want them to?