@asspirin 1 vs 1 sure, but only if there aren't other people around. if there are and you can't instantly re stealth, you're gone.
Also if that target who you are trying to sneak, manages to resist / avoid your intial CC and counters with CC of his own, you're also probably gone.
It's not a bullet proof build, it still depends on some factors.
It can also work as you say yeah. That build is something like rogues work in other MMOs... have patience, wait, wait, wait... when opportunity is good, attack, nuke, try to survive the aftermath until you can re stealth again, and wait again.
I never found such builds fun to play. I have no patience to just stand around and wait. I like constant activity.
Also that build would be useless ain anything more than 1 vs 1.