I am somewhat sceptical about Dawkins memes (see 'The Selfish Gene'). But let's consider for the sake of argument that he is right. Now considering all the wars and other suffering caused by 'our God is better than yours', could this be seen as attempt of God meme trying to survive by eliminating all the competitors by killing non-believers (like in natural selection)?
For those unfamiliar with Dawkins ideas. Dawkins postulates that genes as most basic evolutionary unit that does not have desire to survive. Simply those genes that didn't try to survive (by accident) compared to those that did try to survive (also by accident) didn't survive and the latter did.
He then applies same concept on ideas and songs and stuff that gets popular (he calls them memes) that these things try to survive, but do so as things in our minds, good ideas and nice songs live on while others get forgotten.
I think same applies to gods and religions - those religions that didn't try to impose and murder have been forgotten because those that did got more followers and became more dominant and now are most popular religions.
Let's take Judaism as example this religion at first didn't impose itself onto people of other religions, but the moment Jesus said
Matthew 28:19 Go therefore and make disciples of all nations, baptising them in the name of the Father and of the Son and of the Holy Spirit, religion 'mutated' into more efficient form that now is looking for followers.