Whether the number of Japanese Americans imprisoned during that period was larger or small than 80,000 does not and cannot negate the fact that they were forced in to concentration camps in which many were mistreated and many died because of medical negligence and worse.
History shows they were target because a racist administration was unable to control the narrative after the hostile atmosphere created in the aftermath of the Pearl Harbour attack. It has been stated instead of trying to act in a positive manner leading to protect all its citizens, the administration of the day decided to give in to bigotry and hatred and without any legal proof of wrong-doing against them sent its own citizens to concentration camps because they had Japanese ancestry. The behaviour shown by the then US administration was just wrong and cannot be condoned by anybody.