I use Alternate 2 because I don't like using clicking the analog sticks (it feels awkward and I don't want to break the stick). Also, I do use ironsights quite a bit and I'd be zooming A LOT if I was using a sniper. I'm also a weird case because I do like the zoom toggle as well, perhaps it's from my PC gaming :P
Though I am grateful that you don't have to hold L3 to sprint and all you have to do is click it because that broke the left stick on my sixaxis. It's always tilted slightly forward now.







