https://www.science.org/content/blog-post/pharma-ceos-speaki...
And who knows, with the right wacky regulatory scheme enacted, the workforce impact will be mitigated away. Probably also banking on the size and power of the American domestic economy to still allow them to siphon talent from across the western world to help make up some short falls.
Actually the opposite, apparently Trump rolled back the Medicare drug cost caps so they're expecting profits to go up.
https://www.fiercepharma.com/pharma/phrma-prepares-meet-trum...