After seeing some pictorials on relocating it I don't doubt that it's a relatively easy move to do. But I also believe that the venting can be accomplished without destroying or butchering the side covers.
It just seems easier to me to vent the area rather than relocate it. I suppose it all depends on how steady a hand you have on a roto-tool and how neatly you can make the holes look.
As for it having minimal venting affects, that's possible, sure. But as I asked originally, how much would it really take to ensure long term survivability of the RR?
I wonder how hot (in degrees) things get where it's at from the factory and how much venting would cool things (in degrees). If a 10 degree drop is sufficient and can be done by venting, I don't really need to make a 50 degree drop (or whatever since I don't know how hot it gets in there) by relocating it.
These are questions that I'm not really imagining I'll get hard data answers to but it does make me wonder. If I can take care of all future RR component overheating issues by something that I can do sitting at my kitchen table and making careful, tasteful vent slots, then I'd prefer doing it that way. As long as it looks nice and is not a hatchet job.
I'm pretty good at fine-work and a roto-tool.
As for acid dropping on things, I'd have to take a closer look myself to devise a countermeasure for that.