This is a group of men talking about what they think about Bowie. Factually light and the reference to the Berlin years is incidental and probably chosen because Bowie himself knows very little about that time of his life.
I guess clips like the ones of Madonna and war footage were included to bulk up the running time as they had so little information to speculate with. I do not consider the dvd content worth 50p but as a Bowie fan I had to include it on my list.
Watching it did remind me of some tracks I have not played for a long time and why music experts should always be completely ignored. The way they selected disjointed single frames from a life and claimed logical intent and planning from a drug-fuelled alcoholic annoyed me. I presume they needed to create a persona to suit the presenters view of the world in order to have something to say.
Watching this dvd, did make me play Low, my least favourite Bowie album, again. It did not make me like that any better. Possibly I understand Station to Station more.