If you have 10 promising candidates, and you'd like to hire one of the better ones among them -- then how are you going to accomplish that, with the strategy to

If you have 10 promising candidates, and you'd like to hire one of the better ones among them -- then how are you going to accomplish that, with the strategy to "actually hire them"? If among promising looking and speaking candidates, few are actually good, then what will the current employees think about people getting hired, fired, replaced a lot