I think this will result in Apple selling less apps: People will set a way better password on their Apple account, and since you need the same password to buy $

I think this will result in Apple selling less apps: People will set a way better password on their Apple account, and since you need the same password to buy $1 apps (every time!) as you do for remote wipe, people will buy less apps. They should probably have several levels: one simple PIN code for less intrusive stuff, and a lot of checks for the remote wipe (or expensive purchases).