Even Varoufakis understands that Bitcoin is good for the individuals, but not for the governments because it can't be controlled.
He is not saying that. He states that individuals that own a lot of it are incentivized to like its fixed monetary policy, at the expense of the safety of the majority.
> If you have gold, it is good for you if its supply is limited, fixed if possible. Same with Bitcoin, silver, dollars. (Nb. It is why the rich and powerful traditionally opposed expansionary monetary policy, crying ‘hyperinflation’ at the drop of a hat.)
> A fixed money supply translates into a deflationary dynamic which, in a system prone to under-employing its people and under-investing in things society needs (i.e. capitalism), is a catastrophe in the making.