It's a well-known "fact": best programmers are 30x times more effective than their average colleagues. How do you reward them? You pay them 30x salaries. Of course, you don't. However, they do deserve such a reward and won't work hard, if you don't give them something of this size. The only replacement of money is recognition, which you can give them only through fair competition.
The video is here: https://youtu.be/2bEB3phUXA4
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