My grandparents did indeed work their asses off. And in china, people are now working their asses off.

But robots are only going to get better; this process has already started and is having a huge impact. Manufacturing is only going to get cheaper; this process has been going on for centuries and will not stop just because we want to have more jobs.

The total comfort available in the world today requires less total off-ass-working than it did in my grandparents' day, and it will take even less work in my grandchildren's day.

Let's begin a gradual transition instead of just assuming the status quo is a fixed constant.