The state of "Bug" vs. "not a bug" is similarly non-binary. "unaccepted by users" is circular in this particular discussion, because it started with trying to

The state of "Bug" vs. "not a bug" is similarly non-binary. "unaccepted by users" is circular in this particular discussion, because it started with trying to tease out whether a rare* safety* risk was "acceptable." * All these debatable words tell me GuB-42's comment is taking the right approach.