Lack stability is recommended to use a TTL spiral cable not necessarily. This I see, however, not like some other reviewers as a lack of article.
The stability depends on the weight of the stand and stand space (this is enough) from. The low weight, I see more positive because it facilitates handling. If you are frequently on the road with the equipment, you're glad when you have to grind around no unnecessary weight. The stability can be if necessary with sand bags (or similar) that increase one hangs in the struts in the base area of the stand easily.