That’s a disgrace (and not new); the firms dangle the Americans’ severance as incentive to train those taking their jobs.
For all of the complaints about young Americans today, they have watched this unfold and learned quickly. They tend to avoid the commitments of families and home ownership, and just assume their employers will screw them at the first chance.
In the developed world, one of the worse economic situations anyone can find themselves in is to be a a young, white male living in the USA. The deck is stacked against them.