Here's what Edward Sapir (considered by many the greatest American linguist of the last century) said:
"Language is the most massive and inclusive art we know, a mountainous
and
anonymous work of unconscious generations."
-- Language (1921)
Linguistics is also very new because Western science didn't put all this together into a useful discipline until about 200 years ago, and didn't invent many other useful ways to study other aspects of human language until the present century. In fact, it's so new that most Americans, for instance, know even less about Linguistics (and about languages, including their own) than they do about mathematics; both are notoriously difficult things to talk and to think about.
Linguistics does, however, convey certain benefits as a major:
There are also certain drawbacks to the study of Linguistics as well: