I'm 99.9% sure OP the author didn't mean that people should be fired for being old. I agree that the phrasing is open to misinterpretation, but I read it as "pl

I'm 99.9% sure OP the author didn't mean that people should be fired for being old. I agree that the phrasing is open to misinterpretation, but I read it as "plain-old not doing a great job"