Major cryptocurrency deanonymization event is imminent
medium.com
medium.com
The private transactions in ZCash are very rarely used so any privacy leaks the article talks about should affect large parts of ZCash users as well.
Monero indeed is the best candidate so far with it's mandatory fungibility.
That's true! However unlike most cryptocurrencies, it's possible to send private transactions on ZCash so the point wrt price/usage still stands.
[0]http://hackingdistributed.com/2017/04/19/monero-linkability/