I doubt that metaethics can wholly capture the meaning of ethical terms, but I don’t see that as a problem.
This is not a problem in the same sense as astronomical waste that will occur during the rest of this year is not a problem: it’s not possible to do something about it.
This is not a problem in the same sense as astronomical waste that will occur during the rest of this year is not a problem: it’s not possible to do something about it.