No offense but I been thru the whole religious spectrum, from just about every mainstream denomination and cults. They all share one thing in common. Your life is meaningless until you accept God. Well I am a believer but agnostic as I am pretty much indie in every thing. I can tell you that meaningless is open for interpretation and individual perception. One can never know if some one has a meaningless life nor can they decide for themselves if it's meaningless. I think people who accept God can be accuses of having a meaningless life too. But I will agree we are all part of the plan and every thing has already been decided. We are merely actors playing out his plan whatever that is and free will is just an illusion. I get in to all this 100x more when I become delusional and think God is talking to me. Religion has always fascinated me. All of it.