If the Watchtower made a serious attempt to allow for this type of discussion, I might still be actively associated ;-)
Part of the problem is trying to tackle the issue when you begin the discussion with something to protect or insisting that the conclusion falls within the orthodoxy of revealed religion. The process is tainted from the outset.
That said, we are free to believe as we wish and its no one's business but our own. The difficulty arises when we fail to accord this same respect to others as is so often the case when we assert that our belief is correct and attempt to prove it. This is one of the great pitfalls of most revealed religions.
Deism offers a reasonable explanation to the problem of evil - perhaps the best. Among the Theistic arguments I've read, the best seem to be that God is very powerful, knows many things and can do some very important things but does have limitations.
It seems to me that mankind possesses the ability to eliminate much of the evil in the world once we make that a priority. Indeed, much progress has been made on many fronts. This seems to be a natural process of human and societal evolution.
The Watchtower's attempts to deal with these issues are weak because their belief system is one of revealed religion. While the Bible is an enormoulsy important volume of ancient Hebrew writing, we've managed to learn quite a bit in recent centuries and any belief system that is going to hold up to serious scrutiny should probably be able to account for that which can be observed or what some term "natural" religion.
Then again, if it all made sense we wouldn't call it faith and there wouldn't be any need to "believe", would there ;-)
Fascinating stuff - good post.
Lee