Honestly ? Semi-skilled assembly-line workers are going away.
Skilled trades ? Not so much, although the skill and training levels required are trending upwards (i.e. mechanics on assembly lines need to upgrade to robot maintenance technicians. . .)
As long as trained skills are required, those factory workers will have stable employment, but are under notice that they have to constantly up their game as well . . .
That means NEW jobs (see programmers, CAD-CAM, robotics, etc).
New jobs require new enterprises, innovation and the freedom to create.
Neither of the uniparties favor freedom.