KJV is also the easiest(or so I have found) to commit to memory.
37 years ago a church elder asked me to read the Christmas Story from Luke Chapter 2 at our Christmas Eve service. My eyesight in darkness was quite bad at the time, So I decided to learn it and recite it.
As my mother used to say, “Don’t memorize something if you want to remember it. Learn it. Memorization is temporary. Learning is permanent.”
I set out to learn Luke 2. I have been reciting it at Christmas Eve services ever since.
Also, the Lord’s Prayer is always KJV in every church where we have worshipped. Scripture readings are different version but Lord’s Prayer is always KJV.
It's not temporary.