Question 2: Well in real basketball, a 15-foot jumper is definitely contested using outside defense. Layups, driving shots, jump hooks, and defensive positioning in the key are where a player's inside defense skills are used. So I guess That OD would be used for 15 foot jumpers.
Question 1: I agree with Naker Virus, but I have no evidence to support it.
Once I scored a basket that still makes me laugh.