Even if this were true (and it's not), another person's logical contradiction or lack of evidence doesn't make your own go away.
I've just heard this line of reasoning far too often lately: "We can't 'know' anything, reality has to be assumed, therefore unless you can explain everything about the universe, my beliefs must be treated as valid". And not just by religious people.
The really great thing about science is that it acknowledges its own limitations (eg. godels imcompleteness theorem) The main concern is to find out as much useful/interesting stuff as possible. What can you do about childish people who will pounce on any admission of uncertainty and use it as fodder for their own bullshit argument which they spout with *complete* certainty?
I also like to look at things on a large timeframe. If you do religious fervour worldwide has been dwindling very rapidly. Maybe the best thing is leave it alone and will go away eventually. Though I do repect the people who have the patience to laboriously argue through things with these people.
You can argue reason from a position of irrationality. I would love the chance to argue reason with a bulldozer on every church in America. I would sit naked in the canopy and vigorously jack off at anyone who got near me.