Actually, the sort of obsessiveness it produces diminishes the ability to switch attention, so people get obsessed over a particular train of thought and are un

Actually, the sort of obsessiveness it produces diminishes the ability to switch attention, so people get obsessed over a particular train of thought and are unable to evaluate other strategies. Basically you end up obsessed over that one strategy, and motivated to do it, instead of taking a step back to re-assess.