best known for is in all cases without exception a subjective statement which cannot possibly be verified in the example you give you'd want to put something objective like their greatest commercial success came with 'title' which reached blah blah blah but no one's tried to enforce any standards for years and years and years and have instead rewarded idiots who have never created any content with power so there are very few editors who can even tell the difference between subjective and objective these days seems like you might be one of them