We were all really confused about the whole hacking thing. Moriarty learnt to hack the forum in a few weeks - how? And why is Pheeble actually PhEeBle?
In life, he suffered from a sense of unreality, as do many Englishmen.
I'd assume the answer to the first question is, "He's James Moriarty, the greatest criminal mind to have ever existed. The surprising thing is that it took him so long."
As to the second, no clue. Didn't even realize that was a thing.
Who said that it took that long for Moriarty to learn how to do it? He's a master criminal - he knows the importance of proper timing.
I smiled when the wall was built, for I knew we were creating something incredible. And I smiled when it cracked, for the world would soon see what we had wrought.