Fully agree, but when a future employer goes thro 5 cv's for example he will avoid the one that has any "baggage" on from past relations with previous employers.
Coming back to the using him as a teacher ..... sometimes an assistant is qualified, but the gain experience he gets used as an assistant. If the Governing Body feels he can cope on his own, he is left on his own. If he is NOT qualified it is a different story.
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