What does the quote "There is nothing more deceptive than an obvious fact." by sherlock holmes reveal about the conflict and theme of the Hound of the Baskervilles?

Answer: i think it just means when the obvious answer is there we seem to overlook it because we are trying to to find it be we never first notice the the answer. I think it reveals that it sometimes best to look for the answer then make the discovery complex when there no need too.