Like I said, these nets are mainly for privacy and safety purposes. If you think about it, it makes a lot of sense. This is because the nets are thick and sturdy to keep golf balls within the course, and they section off parts of the course from others so that you can putt uninterrupted.
The course works on these nets with a driving range netting company that makes these kinds of nets all the time. No two courses use the same type and size of netting, as each one has its own needs and different-zed areas. Either way, these nets have to be high quality and made to last so that they can be used for a long time without having to be replaced.
I think these purposes are very important in a golf course. I think that they should be important to golfers, too. After all, they are what really keep the course secure.