YOU'RE missing the point. Nobody cares about a simple video streaming stress test that validates exactly one thing: what everyone expects out of the battery based purely on its power specifications, and how it will rank among other phones with differing battery power.
As Irvine pointed out, that's not how people use the phone--and the OS does have optimizations built into it for how people actually use the phone. Therefore, to talk about the battery and how well it behaves in real life depends on a body of knowledge from real-life users doing real-life things.
And that means getting the phone out there to see how that 3200mah battery behaves in the real world, in real-life situations, inside that optimized operating system. Not simply streaming video. We don't need that test; we already know it's a 3200mah battery, and we know how well it will perform in a streaming video test against, say, a 4000mah battery.
Now, if your real life personal behavior with the phone is to stream video while it's not plugged in, then fine. But that's not what the world does.
And by the way, it's very commonplace nowadays to carry around not only a charger but also an external battery pack. LG gives you another option, that of carrying around one or more charged batteries and swapping them out as needed. Choices are good. Absent a swappable battery, your choices are more limited.
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