I am of the kjv-superior position and I came to that conclusion on my own; I did not get my understanding from any singular originator of the concept that may have been the first to speak of it.
I think that the burden of proof is on you to substantiate that Wilkinson was the first to be a proponent of the doctrine.
I'm not saying that. I originally thought Wilkinson may have been the originator but now I'm not set set on proving that. I think he brought to modern readers ideas that had festered for awhile.
So, entirely on your own, you concluded that all other versions of the Bible were corrupted and the KJV alone is God's own Bible? No outside influence whatsoever.