There are 2 replies to question 1. I can understand why they would insist that followers not go on the internet. Using myself as an example i would probably still be sitting inside the walls of the watchtower if it wasn't for the internet. So it can be quite a dangerous and formidable place to be when an apologist comes across a site critical to the Wt.
But on saying that if it is the truth and they are in fact imperfect individuals who make mistakes e.g king David.