Woot woot says Ned Took. Hello Cunning Action Magic Missiles.
Apparently you can't use Cunning Action to Activate a Magical Item (probably for that very reason).
From Twitter:
@Hadan_Ashcroft : Rogue: Fast Hands (Use an Object) so every round I can drink a potion, use a scroll or wand as a bonus action?
@mikemearls : nope - use an object does not refer to magic items. i made an earlier tweet that was in error.
@mikemearls : magic items are separate.
They need to add a new type of combat action in the DMG then, Use Magic Item. Because as written now "When an object requires your action for its use, you take the Use an Object action.", a cunning action to Use an Object does sound like you should be able to activate a wand or staff with it.
Is the community treating Mearl tweets as Papal dictates?