The underlying reasons seem to be that investors, often self-directed, are impatient and irrational.

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While doctors are often very gadget-y, they are also impatient and too busy to deal with a lot of training.

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Steinbrenner was a controversial figure, often chastised for interfering in on-field decisions and for being impatient if the team underperformed.

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The Millennials have a reputation for being impatient and for wanting to move up quickly, by switching jobs often.

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