Brompton LTD has some interesting videos on their Website @ http://brompton.co.uk/education/videos.asp.
The first introductory one (also shown below) is posted here.
Who Does What At Brompton?
The rest of the videos are located at the "FIND OUT MORE" section below. I hope you find the videos as interesting as I did-even if you don't have a Brompton or even like the bike. Their layout and organization of their company and it's processes are similar to most any other well made manufactured product, be it bikes or anything else.
From Google's own pages concerning why this series did not pop up in their searches.
What is an unlisted video?
"......An unlisted video is a different type of private video. "Unlisted" means that only people who know the link to the video can view it (such as friends or family to whom you send the link). An unlisted video will not appear in any of YouTube's public spaces (such as search results, your channel, or the Browse page). An unlisted video is different to a private video in these ways:
you don't need a YouTube account to watch the video (you can see an unlisted video if someone sends you the video's link)
there's no 25 person sharing limit...."
So these videos are not too easily located or noticed by most folding bike fans.