The important thing is to use EFotJ as a guidepost. If coworker X is complaining, ask yourself if it's an essential function of the job. Generally terminations

The important thing is to use EFotJ as a guidepost. If coworker X is complaining, ask yourself if it's an essential function of the job. Generally terminations aren't edge cases, it's people who are wildly unqualified, unable or unwilling to do the most basic aspects of their jobs. For documentation ("PIP"), pick a couple of really basic metrics. If the person is good enough to game them, you can execute a second PIP with tighter rules, incl 360 perf review.