Exactly, we should want cool shit like this to exist, so instead of trying to prevent progress and keep human bricklayers we should capture some of this increased productivity and use it to pay the people who lost their jobs.

Wouldnt exist under communism. Inventor only made this to make money.

automation under capitalism means job losses and recession.  automation under communism means more leisure time.  communism in this sense meaning a stateless and moneyless society, in which the means of production are owned by the people. not the definition most Americans have of communism for some reason where the government does everything

Random. How exactly? Please explain clearly so I can understand.

Yet another reason for UBI