I think there best bet (and am sure they know this) is to keep calling themselves "young royals" and align themselves to the Instagram generation of the Kardashianistic subspecies. Those subspecies love drama and glamour and self promotion
The big problem with this is that the Kardashian-esque self-promoters are an example of a bubble. Only a few people benefit from a bubble before it bursts. For every Kardashian who has made a living out of hot air and nonsense, there are many, many others who haven't. HaM are not the Kardashians or any of the few others who can make a living in this way. HaM are tired, battle-scarred and weary. They are not glitzy, glam, innovative or entrepreneurial, and no-one should expect them to be because they are now part of the older, 'slowing down' crowd. The best thing they could have done was stay within the royal fold.