It is not for the same pay. Real wage increased dramatically during that time period. And despite all obsoleted jobs, society is still more or less at full employment.

A living like anybody else or a living at the expense of everybody else?

Before calling that comment asinine, did you consider that the commenter might be reflecting @flowerlad's comment back to him/her to prove a point ?

> Why didn't Keynes' vision come true.

governments implemented (and still implement) keynesian economics, and it has turned out to be a very bad idea and he was very very wrong.