Anyone mocking him is crazy. He said he bought them with a long term mindset. I think he said he's looking at a 3 year  horizon if I remember correctly. Obviously you don't get to his level if you constantly worry about day to day price movement. He's in it for the long haul, and I think he's right that btc is here to stay. As for price increase, I don't know how long it will take to go back up. Probably years