Yes because they get attached to lefty college girls if they are guys. Ask me about my engineer son who married someone who hates America and whose mother is a big deal in the ACLU and who just recently decided he was not exciting enough for her and so she is going “home” to the Bay Area of California, leaving him wondering what happened.
Just goes to show us that even having the brains and expending the effort required for achieving a useful degree does not prevent human beings from choosing poorly...