Some are just better, or more suited to things, than others. For example, we've had a few 'accounting clerks/receptionists' here at work. Most are 'normal', and don't try to excel at the job and do as little as possible, since it's 'only' entry-level. But the person we've kept is someone that can't sit still for 5 seconds, and does the work of three people. No extra motivation or compensation required, it's just what she does...
Same with teaching and IT. There are those that are self-compelled to do everything they can, and those that get by with the bare minimum. Frequently, home life gets in the way a LOT. I'm way laxing on my education because my wife feels every few seconds of my spare time should be spent with her. It's just too bad that the people that excel aren't recognized (and more than likely EXPLOITED, I've seen the lazy people get raises and promotions just because of their attitudes of entitlement, over the hard working drones that keep thinking their loyalty and efforts will someday be noticed and rewarded) for their works.
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