It's not just the USA, all Western countries are on a path of mass immigration: software, engineering and health services in particular.
A big factor has been diversity quotas to make organisations DSG numbers meet the requirements of institutional investors, political pressure and activists.
Problem is: pushing diversity into traditional male roles didn't result in boys diversifying into non-traditional roles such as nursing and teaching, and now you have those other roles being filled with immigrants to make up for the shortfall. And those immigrants don't care for diversity.
A big factor has been diversity quotas to make organisations DSG numbers meet the requirements of institutional investors, political pressure and activists.
Problem is: pushing diversity into traditional male roles didn't result in boys diversifying into non-traditional roles such as nursing and teaching, and now you have those other roles being filled with immigrants to make up for the shortfall. And those immigrants don't care for diversity.