I have co slept with all 3 of my children and currently still do with my youngest, it wasn't always exactly to the safe sleep guidelines, but most the time we followed them.
Me and my partner don't drink, smoke or do drugs either and if any of us had had alcohol, we wouldn't sleep in the bed.
I know not everyone agrees with co sleeping and that's fine. I know people worry about the safety, but like a previous poster has said, if we didn't cosleep, we wouldn't have slept and I think I may have gone insane from sleep deprivation.
I have also taken children 1 camping (not younger than 5 months though) and have made sure they had enough layers to keep them warm, had sterilising tablets for the bottles, plenty of nappies and wipes, loads of extra clothes etc... It can be hard, but it can be done.
But there is no way I would have camped with a baby less than a month old. Those first few weeks are exhausting and I couldn't imagine anything worse than dealing with the recovery, the bleeding, caring for a newborn in those conditions.
I found their interviews weird. I can't quite put my finger on it, but it almost feels like they are making this whole ordeal to be like some fairytale love story and it just makes me feel quite ill, because we all know it's not.