I think the former is good in a TL;DR sort of way as long as the full material is made available for scrutiny by the public as well.
The number of times I have seen people either flat out lie and claim that the 39minute video does not exist, or lie by omission by never mentioning the release of the 39minute version when criticizing wikileaks for releasing an edited video leads me to believe the answer to your question is "Yes."
These people are already grasping for complaints, playing fast and loose with reality to do it. No matter how wikileaks released that video, there would always be a portion of the population with an interest in discrediting it.
You people keep on clinging to the idea that the additional footage somehow dramatically changes the narrative. Maybe in your mind it really does, but most people who have actually watched both would likely disagree.