User blog comment:Godisme/Kill The Shadow/@comment-5441712-20120613194842/@comment-1268838-20120613195639

They were misinformed, or rather working off a hasty conclusion, since Chojiro's warning wasn't clear. They seemed to be under the impression that they would simply be rendered incapable of using Bankai - instead, they found that the enemy captures that power. Ichigo is the only one who might have had any idea since the process was used against him, and failed.