Agreed. There is plenty of clear un-arguable bottom-line evidence that combating piracy boosts sales and thus revenue for the developers. I know one vgame publisher who fixed a hole in their DRM and saw a 40% increase in sales the next month.
Any links to this clear inarguable bottom-line evidence?
I doubt there is any consistent, conclusive evidence to support that statement. You can always assume that one pirated copy means one lost sale but this is just an assumption. Given the outrage that has followed Securom and Starforce, I highly doubt that adding increasingly overzealous protection makes for better sales. Pissing off your customers tends to do the opposite.