Hisahide did not banish the missionary arbitrarily, and insisted that the missionary should discuss with someone who had enough Buddhist knowledge before making a final judgment of banishment upon detection of any foul play.
久秀は問答無用で追放するのではなく、宣教師と仏教についての知識のあるもので議論させた上で、なにか不審な点があれば追放しようと考えた。