So Everquest represents the majority of gaming companies as well as Blizzard? Good to know, since that is complete news to me.
I said majority. Not everyone. M.A.J.O.R.I.T.Y. See the difference?
Neither do you, but at least I can point to their own track record as well as their behaviour in regards to the game that does not imply anything about them ever rebuilding the game in a new engine. It's so unlikely that they will do it that it's not even worth pretending like they will.