From what was taught to me, sages, or rishis, wrote eyewitness accounts if the lives of the gods and all the events revolving around them. Whether it is true, well, your guess is as good as mine.
Vague when it comes to truth claims and attempts at explaining natural phenomena. Opposing free thought when it comes to the rules that a religious follower should abide by.
I'm sure you know this by now, Z, that clarity is important for effective communication. I learnt this when i was in 1st grade! How could god be vague when explaining anything?