Usually it's a management problem (like favoritism or something), so going to management is just going to put a target on your back.
Usually they've made a couple enemies. Just gang up with their enemies. If it's a group effort, there's only so much management can do at that point (depending on how much leverage they have). It's all dependent on the specific political situation.
This whole image of them being "well-liked" and socially invincible is just a play. Usually this type of person has made a shit ton of enemies. It may or may not be worthwhile depending on how shitty of a situation you're in, how bad the company's stack ranking and layoff quota is, how attached they are to you, etc
Usually they've made a couple enemies. Just gang up with their enemies. If it's a group effort, there's only so much management can do at that point (depending on how much leverage they have). It's all dependent on the specific political situation.
This whole image of them being "well-liked" and socially invincible is just a play. Usually this type of person has made a shit ton of enemies. It may or may not be worthwhile depending on how shitty of a situation you're in, how bad the company's stack ranking and layoff quota is, how attached they are to you, etc