Useful automation is going to lead to more wealth, which mean more free time for other stuff.
However, there come a point that automation approach the point where further investment will yield diminishing marginal returns. People are going to automate so much.
Just because you have a machine that produces 1,000,000 cokes in an hour doesn't mean you're going to make more money. What you will end up is a machine that actually cost a lot to maintain, and produce lot of cokes that will be thrown away due to the bottleneck in other parts of the production chain.