In addition to that, even the few people people who do use Zcash, don't use it's privacy features. 99% of their transactions aren't private and are fully traceable [2]. Why would you want your transactions to stand out?
[1] http://zerocash-project.org/about_us [2] https://news.bitcoin.com/not-so-private-99-of-zcash-and-dash...