Rap-bolting remains an issue of personal & situational ethics. Personally, I've placed bolts on rappell after onsighting routes and deciding if and where a bolt should be placed; any other way, I don't understand how best placement can be decided in route development.
Moments ago, a post by Larrythellama, in which he berated Andrew for being stupid, was deleted - to which I want to respond: Lighten-up Larry, from time to time we are all contestants for a Darwin Award.
Prove your virility to yourself and others by doing an ascent while maintaining an uninterrupted erection.
The post title bears greater pertinence if you're uncircumcised.