OK, guys. I've decided to grant you answers so no one needs to die for
1. How does our universe work?
Very good, thank you.
2. Who made God and why did they make such a terrible job of it?
People and they had very tight deadline.
3. Is 42 really the meaning of life?
4. Where do I sign up for the next life?
Nowhere. You've got only one. Use it well.
5. Was it good?
6. Why we can't change our past or time?
7. How do I return if I don't like it? / Why was I not a better person when I had the chance?
You can't. / No one is perfect, neither You.
8. What will happen to them?
Your heritage will live and it's heritage and so on...
10. What caused the 'singularity' event that preceded the Big Bang.
Syntax error in "Preceded": there is no before in timeline.
11. can AI eventually demonstrate sentience/consciousness. / can humans (as a species) move beyond superstitions
Yes, but you will not see that.
12. How does the brain work?
Pick a person and I will tell you.