Don't have the time nor desire to press this, suffice to say the test results of all these bullets regarding penetration are posted over on AR (over a thousand pages of posts, complete with photos and charts) that say just that. As to very little killing of buffalo, it is asinine to say those PHs had "very little killing of buffalo". Further, there are myriad posts over on AR, including the site's owner and Partition users for large, dangerous game are in a very distinct minority.
Those tests where shot into media and AR is a site largely populated by "dude" hunters. Not to mention there are other factors then penetration when it comes to killing critters. Penetration doesn't kill, wrecked vital organs does
