Barron said the BOR- in the dicta all of the BOR- did not and was not meant to apply to the states.
Other than perhaps that the states never gave up their power to "violate" the right to keep and bear arms...
I don't see your contention.
Just pointing out that tpaine's statement doesn't mean he's not familiar with the Barron decision. That's all.
There's an interesting debate about the Ninth Amendment that's been spreading around some law blogs. You guys might like it. It's great reading, imo.
Start here if you're inclined to check it out.