but in the context of this post, let’s not be ridiculous

It says a pay raise, not new pay bracket. A 10% raise is substantial, and likely not enough to keep someone. The number one reason people leave a job is their direct supervisor.

To be absolutely clear a ping pong table won't make you stay with a job. A work place that's more relaxed and a boss that doesn't yell at you for taking 5? Maybe a workplace where you enjoy spending time with your coworkers? That'll do it. The idea is HR can to help nudge towards type of change It doesn't work and is stupid, but that's the thinking.

And there are times a small raise will keep an employee, there are times more responsibilities will keep an employee. This is a poor question in general.