the KJ is not perfect and is not inspired and actually has numerous erroneous translations in it
What Bible is perfect, then?
I believe that God is both sovereign and Omnipotent and loving.
Because He is sovereign and Omnipotent He is able to preserve His unadulterated message in a language that we can understand.
Because He is loving, He is motivated to do so.
There are abject differences between the message of the kjv and the messages of some other translations.
So, which of those other translations has the unadulterated truth of God that we can rely upon for salvation?