I'm going to come at this from a bit different angle...
Though I snicker at all the folks proclaiming the 6.5 Creedmoor to be the greatest ever, it is the perfect fit for AR's, other semi-autos, and mag fed rifles generally. I am glad to see the 6.5's finally catching on in the USA.
Provided the M1A's can live up to the accuracy potential of the cartridge, chambering them for the Creed makes sense and could give new life to a fine old rifle that many people view as badly outdated, for reasons other than being chambered in .308 Win/7.62x51. Aside from a quality barrel, proper bedding is THE most critical factor in achieving accuracy in Garands and M1A's, and it has to be re-done periodically to maintain peak accuracy. It will be interesting to see if the Creedmoor chambering results in a soft enough recoil impulse to extend the time between bedding jobs.
I am rooting for the popularity of the M1A in 6.5 Creedmoor for several reasons:
I am hoping it will become popular enough that CMP will eventually loosen Service Rifle rules enough to allow more modern rifle configurations in competition, or create a separate class. Being a southpaw, I found myself at a terrible disadvantage in manipulating a Garand during the rapid-fire stages. I have ZERO interest in shooting an AR in competition. I was recently gifted an M1A that needs some accuracy work done and would like to shoot it in Service Rifle. The trouble is that I really want more of a DMR style rifle. Following the CMP rules would make my M1A pretty much useless for anything else. I am uninterested in spending the money for a build that is ONLY good for CMP matches. I am hoping for a surge in M1A popularity that might move the CMP from the 1950's to the 21st century.
I am also hoping Springfield Armory's move will prompt companies like Krieger and Criterion to begin offering M1A barrels in 6.5 Creedmoor (and maybe other chamberings, as well). I have always loved the M14 style rifles and would like to see them become popular enough to ensure they continue to be made, shot, and enjoyed.
USGI parts for the M1A are mostly dried up and quality aftermarket parts are becoming increasingly scarce and expensive. Increased interest in M14 style rifles could help change that and end up being a positive for everyone interested in the type.
For those bitching about the price, take a step back and look at the big picture. There are plenty of upscale AR's that sell for at least as much. Some AR's even command prices upward of $3k. People are willing to pay that much for something viewed as state-of-the-art. In that context, an updated M1A is not unreasonably priced. However, for an obsolete warhorse (that isn't even the original or real thing), that most see only as a curiosity, $2k is a pretty steep price. M1 Garand prices are creeping steadily toward the $2k mark, but the Garand has a historical mystique that the M14 style rifles will never possess, and there is a fixed supply of them. If the M1A is to be kept alive, it has to evolve to stay relevant.