Fat Arrows for Hunting?

The BH blades make the hole so shaft size won't matter on game ONLY on targets IMO. Sure more mass in a smaller point will have more penetration but not when tipped with the same BH. I hear a lot of people say the smaller arrows penetrate deeper but they are usually talking about foam targets. and they are not made of meat and bone. I use to use 2412's and blew thru pigs and deer with em' and had a friend that used 2512's (because they were so light and stiff back in the day and he had no problems. If, they are brittle that’s different but I'm not up on that.