Very torn as to whether star rankings, or any type of ranking, are helpful or not. What does 1 star mean? Never used that language before? once twice? What's

Very torn as to whether star rankings, or any type of ranking, are helpful or not. What does 1 star mean? Never used that language before? once twice? What's 5 star? Expert? Would the inventor of a language get 5 stars? Then it doesn't seem likely you can have anything a 5 star.. It's just so subjective what it means to the person. I feel the smarter folks will actually tend to under-rank themselves because they are so aware of the things they don't know.