it all starts at middle/high school. if young person does not get good high school education and rigor with AP classes in stem - they wont be able to get into STEM program, even if they do they would struggle.

Another thing is software/automation is eating many jobs, and jobs occupied by humanities are first to get automated/outsourced. Jobs like marketing, communication, HR, Sales - everything is becoming data-first, data analysis driven - and for that you need STEM skills