There's also the famous tweet were Zooko said he'd consider bypassing anonymity of ZCash in order to help authorities catch the WannaCry hackers [0] [lol j/k]

I like ZCash but I think Z-transactions (anonymous) should be the default as there has been advances in the performance and memory requirements [1]

[0] - https://twitter.com/zooko/status/863202798883577856

[lol j/k] - https://twitter.com/zooko/status/863543600663101440

[1] - https://twitter.com/ebfull/status/907997752709091329