At the end of the day, shapeshift have basically lost out on a lot of customers because of the direction it took (probably forcibly, it seems) in regards to forcing people to get accounts and verify themselves.
I'm certain that they could have waited a bit longer before pushing it through people's throats, but it wouldn't change anything anyway with how much of a hit they have to suffer by that course of action. In the end, Shapeshift has a very strong brand and reputation, one that its competitors don't have. Most are drenched in complaints and scam accusations.
Interestingly, Shapeshift's Alexa rank continues to increase;
https://www.alexa.com/siteinfo/shapeshift.ioYou can choose very questionable services to avoid dealing with KYC, or do KYC, and use a service that's known to be reputable and has a well respected founder behind it.