> In the grand scheme it's good to invent things that replace human labor. It frees up people to do more interesting things. The goal should be to put everyone out of a job.

To a point. Then it just frees up people to do nothing.

> The goal should be to put everyone out of a job.

That is in fact the goal. The less labor capital needs, the more money (and power) the capitalists get to keep for themselves.