It's hardly outside content if it is in place by the will of the Dev, not to mention the time he has put into making it more accessible,Honestly cheat should be treated as outside content. I dont see a finally good reason to make it a quest. If anyone has an issue with the existence of a cheat mode that they DONT HAVE TO USE that's their problem. Theres no need to tinker with this any further.
I say "if you are to do something, do it right... No half measures!",
I don't think a lot NEEDS to be done, (what is there can pass by itself IMO... maybe a little polish), but taking into account M3ntir's point about weaning people off Saveedits, and Damagus01's point about moving Freddy somewhere more remote (both are mutually exclusive), A quest seems the best course of action... Personally I'd prefer my original suggestion about making it a secret quest (aka find it by reading a riddle scrawled on the wall of the alleyway or an overheard piece of gossip) but that might not be as effective for the saveedit crowd.
wait!!! you think DomWolf is suggesting we do away with Tinkerer??? Bold choice. Personally I tend to think the more Tinkerer the betterI see what you did there.Theres no need to tinker with this any further.