Yes, digitally signed is no indicator of safety, but anyone that installs spaghetti scripted urls/downloads is, to put this delicately, a couple of bricks short of a load. Kinda like the backhoe operator that goes digging without knowing where the gas pipeline is, and is surprised when he finds it---after blowing himself up.
May be time again for McLovin's primer on standard accounts:
http://www.youtube.com/watch?v=8VtvjZ1-TPI