How about we start with an answer to the first proposition.
Does your God choose how he makes each individual person, or is it a random process?
It doesn't matter to me. If I asked Him, He would likely answer:" What is that to YOU? You just follow me."
Fully ninety percent of your fellow humans claim to know something you don't know, namely that there IS a God.
It takes a huge ego to not find that troubling.
You should watch the movie The Big Short sometime.
If 90% of the people believe something that is not true, it's good to not agree with them.
An your numbers are behind the times. It's closer to 80% now in the U.S. Nones are now the fastest growing religious category and out number Catholics.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
