Agree.
Whilst the 6.5 Creedmoor doesn't do anything a 260 or 6.5x55 can't do, it has the big advantage of being well supported with good factory rifles and factory ammo that is built for the purpose most folk will use it for.
If the 6.5PRC has a good selection of reasonably priced factory performance ammo it will likely out last many of the other short fat 6.5s.
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