One advantage with being a Muslim in the USA, there is no shortage of reading material that is critical of my belief. I am a strong believer in learning what people disagree with about Islam and learn even from the hate sites.
Faith should never be blind and one should be strong enough to understand others do believe different and it is helpful to always learn. If reading a criticism of your belief shakes your faith, it is time to do a self examination of what you believe.
Than again in my Catholic years I did the unpardonable sin and read the KJV
Yes, when I was a kid we were taught it was a sin to read the KJV.