Students should be made aware of more than one economic school of thought. This is proposed as a minimum only so there is the potential for critical comparison. Clearly we would hope programmes would cover more.
Schools of thought must be understood in their historical context and the purposes for which they are used - not as absolute and enduring truths
Being taught mainly/only(?) "one line of thought well, without too much self-criticality" does not work very well, according to employers of economics graduates -> http://bit.ly/2uV9WkK. Reading the report linked above, it appears reasonable to assume that teaching various schools/lines of thought to all economics students could do a better job at preparing them for work. This could foster "an understanding of the political, contested nature of the discipline & ... intellectual openness."
What point is there in asking each plumber to decide on different schools of physics? I question whether all students, rather than merely a proportion, "should be made aware". I think for many students it works far better to really teach them at least one line of thought well, without too much self-criticality. Different tribes thus created can fight it out openly for jobs and attention, possibly leading to a gradual selection of fit lines of thought.
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