There do exist prescriptivist linguists, who do exactly that: they try to divine "correct" from "incorrect" usage of language.
> There do exist prescriptivist linguists
That is not true, at least in mainstream serious academia. Prescriptive linguistics doesn’t exist any more than prescriptive biology or astronomy.
> There do exist prescriptivist linguists
That is not true, at least in mainstream serious academia. Prescriptive linguistics doesn’t exist any more than prescriptive biology or astronomy.