If true it won't be a humans doing those jobs if they ever return.
If labor prices go up enough robotics will simply replace them once the labor cost exceeds the initial investment in the robotics, count on it.
McDonalds will be one of the first to automate fast food because they don't need to pay someone $15.00 an hour to insult their customers.
It is never about the dollar amount of the hourly wage it is about the purchasing power of that hourly wage.
I have no problem with robo factories as LONG AS THEY ARE PHYSICALLY IN THE USA.