Well, grammatical correctness is at least standardized and thus absolute.
Oh wait, not in English.
But at least respected dictionaries exist for grammar, offering a vague consensus. But is there a dictionary for "absolute inappropriateness", against which we can check google's checker?
Even in languages with much stricter rules than English many people just ignore the strict rules except for a few pedantics, which are widely considered to be a bunch of insufferable twats.
Oh wait, not in English.
But at least respected dictionaries exist for grammar, offering a vague consensus. But is there a dictionary for "absolute inappropriateness", against which we can check google's checker?