You can always tell the true character of a man based on the way the people that grew up with him talk about him.
All hip hop lore and accepted history aside, judging by all the folks giving their honest opinion on the man, Baby always been solid.
He could've easily went out and got a writer to put together a fluff piece for him to recite over pictures and selected video footage for the documentary, but the fact that at least the first part is told almost exclusively by the people that knew him before he knew himself speaks volumes as to what kind of man he really is.