I don't usually watch this, but I saw (part of) it last night. Is it aimed at children? Because I did feel I'd wandered into an episode of Blue Peter by mistake - jolly uncles and aunts being very enthusiastic. I would have liked to watch but in the end I couldn't take any more smiling. Yes, I know I'm a grump 
Only 50% of middle age adult manage more than 1 brisk 10 min walk a month.
