I don't really agree that it's unrealistic to implement. I actually think it would be easy, with a couple minor tweaks.
Keep in mind, even for that you would have to remove something else from the game. They literally run out of money at the end. The last few bucks were spent on 2 ads and that was it. All money available gone.
Patching it into an addon, sure, why not. Though now sure if I like your changes, quitting dialog sounds annoying and 300 degree vision makes sneaking at low level kind of annoyingly hard, especially when several people are around.
