Comment: it's similar to the college

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In reply to comment: Actually, it's not a 'tip' (see in situ)

it's similar to the college

it's similar to the college professor who told his class that all the grades will be averaged, and everyone will receive the same grade, therefore, no one will fail and no one will get an A. eventually, the people who were "earning" above-average grades stopped trying so hard because they were going to end up with a lower grade anyway, and the people who were "earning" below-average grades also stopped trying because they were going to end up with a higher score. Eventually the entire class failed because no one had an incentive to achieve.