Most people start coasting before coming to a stop, in that situation in gear will only be beneficial (engine doesn't need fuel to idle, free braking from the engine, etc).
Hypermiling is an entirely different ballpark so complaining that one is better then the other is apples and oranges. It also matters between cars and a lot of things.
Everyone argueing its "obvious" what the solution is is being shortsighted and ignorant. Test it and post your test conditions, your car, and your results.
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