Well, that and OSS data is junk science to be taken with a grain of salt.
It's not like we all carry single-shots.
Now just imagine if we did.
Like we all carried a flintlock pistol tucked into our belts. Then OSS data might be a lot more important.
But it's not, because the data collection process filters out most of the involved shootings, and then doesnt take into account where the bullet hit.
The only way to make this data more accurate is to take into account the organs the bullet damaged, the angle through the body that the bullet took, the depth of penetration of the bullet, the type of clothing the person hit was wearing, the range of the shot... lots of other factors.
But that is neither here nor there.
.32 Magnum can be brisk, but it is a revolver cartridge as mentioned. I think the point of that was that the .32NAA is similar to .32Magnum. Well, not really... Then again .357 SIG isn't like .357 Magnum either. The revolver shells can out pace the auto cartridges easily depending on the loads. At best, the SIG round hits about in the middle of the .357Mag spectrum. And that's fine... but there is a lot of room in that spectrum left for the wheelgun to play in that your auto can't. Same with .32...
The advantage that the .32NAA has over .380 and .32ACP shells is purely the shape. This new round is much more reliable than the others. I've shot lots of pocket pistols and they are finicky or just not reliable... Kel Tecs, Guardians, the little Berettas... I've had failures to Feed in all of them. The .32NAA gives you a better shape for feeding. It's debatable how much of an advantage it gives... but it is an edge. I've never had a failure to feed with a bottle necked pistol cartridge. There are other kinds of failures and the shape isnt that magical... but every edge helps when you talking about a gun that you will have to stake your life on with chips are down at the lowest in your most dire hour of need.
If I was going to spend my own money on a mouser... it would be in .32NAA. If I wanted a .380, I'd get a Beretta 84 or SIG 232. Ohhh... a Tomcat would be wicked in .32NAA.