That link seems to require Adobe Flash, which I don't let onto my computer for security reasons. However, I've run across certain opinions of Mr. Ayoob that strike me as "dust in the eyes", to use the technical legal term.
If you pull out your gun and shoot someone with it, that's going to be the fact that you have to deal with, not whether your trigger and hammer spring are lightened up, whether you've had a gunsmith do an action job, and not whether you've used hollow-point ammunition. What you're going to have to be able to deal with is the fact that you used a lethal weapon to injure or kill another human being. Your defense has to be this, and pretty much only this, and you've got to be able to make it confidently, and aggressively: "I had a reasonably formed good faith belief, based on objective fact, that the person I shot was imminently about to perpetrate a serious bodily injury upon myself or an innocent third person."
Almost every single word in that sentence is important, and you've got to be able to establish the whole thing with evidence (especially your own testimony and that of other witnesses). If you had a good reason to pull the gun out of your holster, then you've got a good defense. If not, it doesn't matter what kind of ammunition you used.