I'm doubtful of the idea that performance evaluations and performance improvement plans are the answer to lack of management, but only because the way I've seen

I'm doubtful of the idea that performance evaluations and performance improvement plans are the answer to lack of management, but only because the way I've seen them implemented so far. They seem to be used mainly as threats from management or as a CYA step to firing someone rather than serving the needs of the people subjected to them.