Everyone is replaceable, this is fact and people need to recognize this fact However even roles where the skill set is filled by more people a good worker, th

Everyone is replaceable, this is fact and people need to recognize this fact However even roles where the skill set is filled by more people a good worker, that shows up on time, has few absences, performs the job with limited errors, and has higher productivity then other members will be valued more by the company, and (in a non-union setting) often be giving more wage increased, promotions etc In a union setting however none of that matters, everyone is on the exact same contract, and the pay is often determined by tenure not performance.