It seems clear, at least to me, that if there is a God - he is certainly a "non-interventionist". The reasons are unknown - perhaps unknowable. For that reason, I chose to think of myself as a Deist, because I am inclined to “believe” God exists, even though there is no concrete proof of this.
I am also inclined to believe that he has given us enormous power and the ability to solve our problems and take care of one another - if we chose to. I am also inclined to believe that prayer has some practical value even though I rarely pray myself anymore. There is great value in living your life with an attitude of gratitude. No matter what your station in life, you are wise to appreciate the amazing opportunity it is to be alive and ponder these kinds of issues. Life is nothing less than “miraculous” regardless of how it came to be – the same thing can be said for the Cosmos.
On the question of Jesus. I have little doubt he was a historical person. He clearly left a lasting impression on those who knew him, and is able to inspire all of us with his life and sayings. It is very unfortunate that so much evil has been done in his name by his followers.
Even if much of his life and story are fictional or metaphorical, I believe there is great value there if properly understood and used. I have no problem thinking of myself as a “follower” of Jesus and trying to live my life in way of Jesus.
Are Jesus or Jehovah “real” in the sense we believed as Jehovah's Witnesses? Almost certainly not. No one there to save us from ourselves or “time and unforeseen occurrence”. That is a disconcerting thought as you have said. On the other hand, what real value is there in believing fanciful notions with no basis in fact? I suppose part of the upside to the realization is that there is also no Armageddon or Great Tribulation to worry about. No mass destruction of billions of people to keep you up at night. There is also opportunity to live your life in such a way as to really count and make a difference for yourself, family and others - if so choose to do so.