Lack of trained workers is the problem
Trump met with 20 of the country’s most important manufacturing CEOs to listen to their opinions, not tell them what to do. One of the themes is that the American education system is not producing students capable of performing the work in industrial environments.
In the 1950s, car plants employed welders. Today they need people who program and repair robots that do the welding. Manaufacturing prototypes are no longer done with shaping blocks of wood by hand, but by using computer design programs to run CNC machines.