Because the greater the worldwide demand, the greater the value of the large amounts of gold which they hold. This is not rocket science. It's called a "bull market." If I own 10,000 shares of XYZ corp, I hope lots of other folks will want to buy it, because then the value of my 10,000 shares will go up. Basic supply and demand.
I agree with your last post.
Sure, as long as you don't sell them YOUR stock.
The GoldBuggers are unoading their own holdings...and for good reason.
What's that expression about suckers?