In effect, then, it does seem they are saying that the only really acceptable translation is the KJV. Reasonably, in my opinion, such amounts to a form of KJV Onlyism.
Calling our position 'KJO' may seem reasonable to you, however, for most people, KJO refers to a fringe group who believe the AV is 'inspired'. For the purposes of clarity and honesty, those of us who believe, like the Puritans, that the AV is simply a better version than any other English version should not be called 'KJO'.