John,
I agree with you in part, but I do beg to differ on the point of Sanow and Marshall study and the use of ballistic gelatin as a suitable test medium for bullet performance. Sanow and Marshall DID back up their finding with police reports and autopsy reports from hundreds of shootings. As to the validity of ballistic gelatin, prominent members in the firearms community seem to find its use valid including the FBI.
Is gelatin the best medium? Certainly live subjects would be a more accurate medium, but I doubt anybody would attempt or suggest live human subjects be used. As to the use of animals, the first such instance would be the last with all sorts of fallout from PETA, animal rights and most people in general. The shooting sports are subject to the most negative spins from our mass media today. The last thing in the world we would need is something like this to polarize the public into a complete stance against us.
And lastly, I do agree with you on the use of hardball ammo. It can be counted upon to over-penetrate in just about any caliber. During times of war its use is necessitated by Geneva convention, but any police department that advocates its use in any caliber is setting itself up for massive lawsuits. Collateral damage is the last thing any police department wants for both an economics and public relations stand.