One factory I worked for spent $ 5,000, 000 .yes 5 million.
Just to replace one worker at $ 30,000 PA .
you do the maths . 2 workers now doing 12 hour shifts instead of 3 worker's 8 hour shifts .
That 5mil upgrade lasted , 5 years before it was scrap'd .
Should have paid the workers more .
spacesailor