Pursuing your's and your family's best interest (selfishness), within a framework of strong protections for negative rights, is the most effective way to improve the "collective" interest. 

I would continue advocating for the minimization and eventual abolition of the state. It's our most destructive institution. If the goal is to preserve the species and expand, it's gotta go. 

Continued development of Bitcoin backed eCash (and L2+ more generally) would also be super crucial if we're going to become multi-planitary...