But then the entire Slashdot community would have no incentive not to commit heinous crimes. If all that happened when you got caught was 20 years of free meals, free accommodation and a PC to program all day, how does that differ from the average Slashdotter living in his parents' basement? The idea behind prison is to punish people so others will think twice before committing a crime.
Future generations of digital archeologists are going to discover Slashdot, and they'll infer from reviews here that all of mankind's books were published by Packt Publishing. When you've absolutely, positively got to get your book reviewed on Slashdot, trust no one but Packt Publishing.