Not really. There have been misclicks on flightpaths and what not but quests generally says where, and portals say destination?
Not really, they asked about certain things, and were told what to aim for and what to avoid? They did ask about the new talent trees a lot until told you can import, make your own, or use Blizzard's start-up.
Oh, I hear that too in the newcomer channel, but I even heard this in all the other expansions.
Yes, and no, that is why there is a newcomer channel. Never be worried about asking questions!