We are a commune of inquiring, skeptical, politically centrist, capitalist, anglophile, traditionalist New England Yankee humans, humanoids, and animals with many interests beyond and above politics. Each of us has had a high-school education (or GED), but all had ADD so didn't pay attention very well, especially the dogs. Each one of us does "try my best to be just like I am," and none of us enjoys working for others, including for Maggie, from whom we receive neither a nickel nor a dime. Freedom from nags, cranks, government, do-gooders, control-freaks and idiots is all that we ask for.
Of the reasons cited it would seem that the only legitimate one was the lighter weight of a 28 gauge gun. But even that wasn't valid because there are 12 gauge guns as light as many 28 gauge guns. The kick of a 12 gauge is legendary but even that can be reduced by the choice of ammo.
I certainly don't have a problem with anyone choosing a gun or caliber for personal reasons and even claiming it is the best choice. But as soon as you make that kind of statement others will refute it and then the facts have to stand on their own. IMHO 12 gauge is the best choice and if you only own one shotgun it is the only choice that makes sense because it is the most versatile. But if you own multiple shotguns then of course feel free to own a 28 gauge and use it where it makes sense. But I still don't think you could prove that the 28 is the "best" shotgun choice.
I only started hunting in middle age, but my first shotgun was a 20 gauge Browning pump that served me well, mostly on turkeys. When I started hunting dove and quail, it was with a .410. The 88-year-old codger that taught me hunted regularly and used either a Parker or an H&H, both .410s. Beautiful old guns, they used to individually fit them to you. He had taught his kids to do the same - anything bigger was too hard on the birds. So like him, his kids practiced until they were crack shots. When I knew him, he didn't have his balance anymore, so he had a portable stool that he brought to prop himself up at the range. He was still scoring in the 20s.
Used a 28 gauge provided by the lodge on a dove hunting excursion in Uruguay this summer. Never shot a 28 before but after three days of shooting I was a fan. So much so that I promptly purchased a 28 upon my return to the states. Proving again that you can never have too many guns.