What's keeping cycling deaths low in the Netherlands is simply keeping cyclists off the road and putting them on separate bicycle paths.
The article links to an article with this video: https://www.theguardian.com/politics/video/2016/dec/15/trans...
The traffic situation for cyclists in that video is what we would refer to here as a death trap. It's a busy road with not even a bicycle lane marked on the road. In the Netherlands you would either get off your bike and walk or risk a fine and cycle on the sidewalk.