He seems to understand that it is a threat to central banks. Whether he thinks central banking is good or bad I' m not sure. I'm guessing he doesn't have moral issues with the fiat currency scam, so I guess he doesn't have much incentive to help promote a good thing like Bitcoin.
It's pretty frustrating to read comments from a Billionaire entrepreneur, who if he wanted could seriously help turn Bitcoin into a full fledged currency. He doesn't understand that it takes a few like him to make the first move, take the risk and accept Bitcoin. Only when people value it will it have value. Thanks Mark!
Peter Thiel is another one. What the hell is his problem? He calls himself a Libertarian for christ sake!
People with huge amounts of wealth never tell you exactly how they feel about something. It is all misdirection. When Mark Cuban says he is not buying bitcoin "right now", that could mean "not today" or "not right at this very moment". I bet all of these people, including Warren Buffet, have bought at least a few thousand coins each as a hedge against the ever-failing dollar, just like they all do with gold. And they will all tell you that they aren't buying any of it "right now" or something else just as vague.
Here is a quote from Forbes about how a certain person lied to their own parents and became a billionaire in the process: