That's basically stack ranking. You can stack rank employees from critical to least important, as well as entire departments. But like with all management sy

That's basically stack ranking. You can stack rank employees from critical to least important, as well as entire departments. But like with all management systems, it too can be gamed. People put their friends ahead of others, or they might fire one half of a married couple over a worse employee that's the single wage earner. At a defense contractor I once worked at, we talked about it being highly dangerous to be married to another employee.