A type of person that is unable to think after acquiring knowledge of something. Somewhat similar to close-minded
This is possibly a definition from those who expect too much out of people, such as myself.
Linear-mindedness could also be similar to being conclusive
, as well as being bureaucratic
"A local USMC recruiter said I couldn't join because 'I have bipolar', but that was only because I said I took anti-depressant pills, along with aderol."