Maybe I am naive, but I think they will find a way to setup Zerocash that people will be able to trust.
It still goes against the whole idea of cryptocurrencies being trustless...
Unless it is setup like not 20 people, but Everybody? Some arcane distributed calculation process that can be done like mining, running for some prolonged timespan. I'm not the expert on that, merely curious.
What I cannot believe is the single genius releasing his invention as a closed source download hosted on Mega, seriously.