There was some miscommunication, I apologize for my part. Jumping high onto boxes, good. Jumping down from high boxes, bad. High-rep box jumps a la CF style, well, start saving up for some sort of knee surgery in the future.
Generally, I try to wear my OL shoes as little as possible when not actually lifting. I have seen pictures of Aimee Anaya doing jumps to a high box in her OL shoes though, cover of a PMenu actually...