It isn't all about getting rich.
Yeah, it isn't all about getting rich. It's also about other people getting rich!
Pretty weak justification for suggesting that BTC is less speculative. In order to argue that, you'd have to provide reasonable evidence for its use in merchants, or reasonable evidence that it has some other purpose driving the price increase.
There's also no guarantee that these organisations held the coins throughout that time - after all, they were supposed to actually use them.