Let's be nicer, guys!
Yes, it can be frustrating when there is information available. It still is quite possible that they were unaware of the location of the FAQ.
Deathtorn, as Zann stated, they will be added later. You're more than welcome to check out the FAQ for Hearthstone! You can find the FAQ in this Thread: http://us.battle.net/hearthstone/en/forum/topic/8415171502