Why would Shadow monk without Devil’s Sight Shadow Step into Darkness spell?

@ChromWolf @JeremyECrawfordWhy would Shadow monk w/out Devil’s Sight Shadow Step into Darkness spell? Face out to see? Still stealthed? would need to see spot – would still be stealthed if hasn't broken it, could move into edge #wotcstaff

— (((Mike Mearls))) (@mikemearls) August 15, 2016