At the end of the day whoever renews with hybe will have the most successful career. Been in kpop fandom for years and let me tell you, that's how it works in kpop. And since hybe is little too much inspired by sm so they'll push the favourites only. It's useless to argue
Good music, not charts, is the main attraction to their solo era for all who missed the memo. The success is just a nice bonus. Rapline are already successful soloists, so they'll be fine wherever they end up in the unlikely event that they leave hybe