It happens, Jeremy Rodgers was a similar case where the ego gets a little crazy, they make some money and the skills don’t evolve.
Kader will keep people interested and produce more basic clips of flip tricks down sets and maybe there will be a generation it resonates with.
Or maybe all the kids that love him now will fade away and he will have to actually reinvent himself to keep the contracts going.
If you sell product the brands will keep knocking on your door. Some keep it going, others are fleeting.
Part of the reason he has had success is because of how Baker/Reynolds showcased him in their videos.