Religion is a form of control.
Since my mum got breast cancer twice the other year shes turning more religious. Pisses me off, hippy sh*t.
I didn't follow any religion, I agree its control. And other peoples views of god - which I don't agree with.
But I do beleive in god. Was not brought up to beleive, but certain things in life have made me beleive in a higher power - in my own way. There is too much order to the universe for not to be a higher power - just one of many reasons I believe - a mathematical perfection to the universe! Its amazing really when you think about it.
But Religions - what a load of nonsense most of it
There is very little mathematical perfection to the universe. Or perhaps better, it's not strange that the universe suits certain mathematical models, as these models were created exactly for that purpose. Maths is a tool that physicists use to model something they observe and can measure. The tool itself is neither here nor there. Pure mathematics is completely self contained, that's the whole purpose of it. Physics uses it to try and model phenomena, but the link with the 'real world' is usually far from obvious. To illustrate, Newton's law of gravity describes the gravitational force between two bodies. It does a great job as long as speeds are non-relativistic. But it doesn't say anything about how the bodies interact. That goes much deeper and is still under debate (space curvature for Einsteinian space, gravitons for quantum physics and string theory as an effort to combine the two).
And about the big bang theory, quite right, it's an elegant theory of what might have happened, but it doesn't really answer anything about a prime mover (God). So big bang happens (in what btw?). Is there a cause to that big bang? Or did it just happen by sheer coincidence?
Same with evolution. At some stage you have to start with a construct (cell, molecule, whatever) that is self replicating and capable of mutations that are self replicating too. Soon as you have that and the right challenging environment the selection process of survival of the fittest will cause diversity. Given enough time (and that we have), these constructs will become very complex. And at a certain stage conciousness happens, which gives us the ability to think about gods and how it all came about. But is that conciousness by divine intervention, or is it an evolutionary treat like eyes are?
For the records, I only believe in probability
And you can still believe in an omnipotent being when applying that logic. A few million years of human evolution will (I think) result in what we would consider to to be a god-like being, assuming we learn to harness the universe on a quantum level. They could do pretty much all the biblical stuff easily 
You also have something like a Boltzmann brain, which we could be the 'God' some of us are referring to as the creator of everything. So to me its more scientifically (and mathematically) likely that if there is a 'God', its actually a highly advanced alien from another universe / dimension. The 'Big Bang' (and therefore our universe) could in fact just be the result of an experiment by an intelligence from another dimension, as sci-fi as that sounds.. In fact, it would actually fit quite well in that it would explain a few fundamental aspects of the universe which happen to be just spot on for the formation of the universe (i.e. weight / type of fundamental particles).
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No, don't believe in God. All I believe in is probability (as in 'given an enormous amount of raw material, an almost infinite amount of conditions and a very great deal of time, it's probable that sh*t happens and some of that even might be self replicating ... etc. Same idea applies to loads of other things). And for humans to evolve to more intelligence, somehow more intelligence must be favoured over less in the sense that it's more likely that intelligent people procreate with as a result more intelligent offspring. I really don't think that's happening por likely to happen. I'd sooner see machine assisted intelligence happen.
I'm all in favour of living in a simulation. Issue is, it doesn't change anything. I still die. I still don't know what will happens after that and all the other big questions still don't get answered. Would be great to influence the rules of the simulation, but that's like saying 'would be great to change the rules of the universe'.