Interesting article. Reasons for a decrease in college students critical thinking, making a written argument skills, and review conflicting reporting must also take into account that some college students are simply not equipped (intelectlually) to be in college. To offset this seemingly increasing dilema, colleges now offer remedial courses rather than refuse admission.
IMO, college courses taken/not taken is only part of a student's ability/lack thereof to think critically.
Don't complain for what you don't have - be thankful you don't get what you deserve.
Irish Proverb