I'm certainly not certain that is the case. I would say it is more accurate than the KJV. But most any other version of the Bible is more accurate than the KJV. :-)
Clearly dodging the point don. do you even know what the Johannine Comma is?
Smith left that intact - which according to you means it is part of the origional ms given by God.
Did smith clear up the ending of Mark? If not, why not.