Atheists, tell me, a Roman Catholic: why should I become an atheist?

[Catholic_Lady]

In the grand scheme, big picture sort of way, yes. But that does not mean that God is hand puppeting every single thing that happens in nature.

So, that means god has a plan, in which he knows that billions of abortions will occur?

In god's plan, what is the outcome for the mothers that choose to have abortions? What happens to the unborn?

It's impossible to know exactly the mind of God and why certain things happen as they do. But we believe God's plan includes allowing us free will. And yes, of course we believe He knows that many bad things will happen to innocent people as a result of free will. But the theory is that in the end the good that comes from humanity's intelligence and freewill will outweigh the bad that came from it, and everything will be made right. Exactly how, we don't know. 

I don't understand your last 2 questions. What is the outcome in terms of what?

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^This.

The Virgin Mary is whom we believe to basically have been the highest and most "important" (for lack of better word) Saint to ever exist. 

So um yeah... the Church does not teach that women are objects. 

Then the Church are teaching the Bible wrong. Because the Bible most certainly does teach that.

The teachings of the Church are expressed in official Church doctrines, such as the Catechism. As for the bible, it just depends on which part you read and/or how you interpret it. But that is why the authority of the Church takes precedence over the bible.