It's because it could have said "better than we are."
But it didn't say that, so "us" is the object of the sentence, not the subject of a hypothetical phrase.
Besides, you don't like English teachers and grammar scolds, so o0oo oo0o.
But it didn't say that, so "us" is the object of the sentence, not the subject of a hypothetical phrase.
Besides, you don't like English teachers and grammar scolds, so o0oo oo0o.