Never mind that I'm an antitheist but with a particular demographic any mention of 'Gods will' or any such will instantly loose you any argument.......
May not be too popular a thing to say with many here but it is very much true so it bears mentioning as it is sorta in the same vein as Trump never using 'politician speak' or big words, the whole point of communicating is to get the point across and anything that gets in the way of that just means that you have failed at communicating that point.....
I really do think I understand where you are coming from with this, as I was an atheist myself for many many years, and still move in those circles. It's very true that an atheist will close their ears and dismiss the judgement of an individual who they think is capable of believing nonsense. And they really do partly believe that faith in Christ and God is a special form of nonsense. (I say partly because often you discover that it is a belief that hasn't been cross-examined very rigourously)
However, there are 2 kinds of atheist - the kind who turns from God because they turn from truth itself, and the kind who turns from God because they don't yet understand who or what God really is, or aren't yet ready to discover it.
I don't think there isn't a lot to be gained from arguing with the first kind - they aren't playing the same game as you. They will use whatever excuse is convenient to dismiss anything they don't want to believe - religion, politics, any hot topic.
As for the second, well I think this is where faith changes your perspective. The atheist hasn't yet begun to understand the nature and purpose of God's patience, and so can only assess the situation from their human understanding. And from the human perspective, it's true that there may be nothing rational to be gained in insisting on a particular understanding of God's role in events. But the person of faith, if they recognise that they are talking with someone who is also playing the game of seeking the truth, knows that God may very well be planting important seeds of faith in the individual that will sprout when the time is right. You might never see that seed grow, but that doesn't mean that it isn't going to.
The Christian always knows in his heart that the only issue that really matters in the long-term is whether or not the individual comes to a place where they are ready to recieve the salvation Christ offers. Everything else is ultimately second to that, no matter how compelling it is in the present.
That said, I think there are ways of remaining steadfast and open about the nature of our faith without totally closing the ears of those we are talking with, and i always do what I can to try and discern what aspect of faith I think a person might be ready for.
But ultimately God always suprises me - he never reveals himself to others the way I would have had him do it. And so that's partly why we keep speaking up - because we simply don't know how God is using our words and how he is working in those around us. But even if we forget to be honest, kind and careful in the way we express our faith, we know he can find a use it...