What is the 6.5x284's role? For long range shooting (targets) it is great, but few responsible hunters take shots (or have any business taking shots) of 400+ yards. For under 400 yards, there are other cartridges (270, 7mm, 30 cal.) that do the job very well.
From a manufacturer's point-of-view, there is no need to just add another chambering that needs to be inventoried (costly).
