Well there's one way the homeworld clans can build up their lower cast base in a hurry and thats invade and conquor the Scorpions and then the Hansa before they start looking at the inner sphere.
I would sincerely hope not. That would be wasting a perfectly awesome opportunity to have the Scorpions be something different, just to bring it back under the boring aegis of Star Adder's unified "purity" vision. Can we tell I'm not a fan of Clan Davion?
Edit: Rainbow 6 is right. That's a bit harsh, and unfair. I just remember reading Star Adder in FM: CC when first introduced and thinking "Huh. These folks are pretty interesting, with a focus on retaining their SLDF heritage alongside the Clan evolution." The spotlight they were given in the Blood Spirit conflict, alongside their time in WoR wasn't exactly flattering, as I felt it left them very flat and lacking a hook. Much like MadCap mentioned elsewhere about giving the Davions a culture, I find the Davions and the Star Adders to both suffer from lack of a hook, be it a flaw or even just something that stands out, especially once the novels are factored in.