But, one might ask how reliable these sites are. They know the tons of law books on their shelves can be counted on to have been proofread with a fine tooth comb -- the publisher's reputation rests on it. Nobody's attesting to the accuracy of what you can Google up.
Are you suggesting that the data bases maintained by biologists, physicists, mathematicians, engineers, oil and gas e&p companies, economic think tanks, etc. cannot be relied upon by the professionals in those fields?
Even the casual user can distinguish between a legitimate database and World Net Daily (as I hope you can), and a Supreme Court Justice isn't exactly a casual user.