Even when you read authors you do not agree with, it opens your eyes to thoughts and perspectives you have not heard before. Of course, this can help you in nuancing your own views of things.
The issue of Faith and Reason has been an integral part of my thoughts and discussions since becoming a Christian. In fact, even prior to my conversion, one of the main issues keeping me away from religion in general was the idea that one had to believe in things they cannot outright prove. For many years, this aspect was a difficult pill for me to swallow.