Those examples you cite seem pretty contrived to me. A more real-world scenario would be more like a hospital facing a critical nursing shortage improving its

Those examples you cite seem pretty contrived to me. A more real-world scenario would be more like a hospital facing a critical nursing shortage improving its compensation package for new hires. They probably wouldn’t bump current nurses pay unless they feared an exodus, but most companies operate this way. Software firms do this all the time because the demand for developers is so high. A developer candidate that knows how to negotiate effectively can usually hit the top of their pay band or even exceed it. But the caveat is that it takes a job hop to get paid, which I assume is true for most other industries.