Yes, agreed. If you have unlimited vacation it shouldn't really make sense to talk about someone "abusing" the policy. You might say that someone takes so much

Yes, agreed. If you have unlimited vacation it shouldn't really make sense to talk about someone "abusing" the policy. You might say that someone takes so much vacation that they don't actually contribute any value to the company, that would make sense to me. There are lots of ways of failing to contribute value, and that would be one of them.