Why is it when employees expect more it's "entitlement", but when managers do so it's just business as usual? Especially considering it's the employees creating

Why is it when employees expect more it's "entitlement", but when managers do so it's just business as usual? Especially considering it's the employees creating the value. I think it's fair to expect employees to exert the mental effort to empathize with the companies they work for when the companies show effort to do likewise.