It is undeniable that the personal ideological preferences of Supreme

It is undeniable that the personal ideological preferences of Supreme Court justices influence their decisions. How problematic (if at all) do you think this is? Depending on whether you find it problematic, respond to one of the following two questions to support and defend your position. 

1. If you do find it problematic, how might we reduce the influence of SCOTUS justices' personal politics on their decisions? Given everything above, we cannot fully remove the influence of politics and ideology, so how might we reduce it or better manage it?  
2. If you do not find it problematic, what are the implications of this. That is, what are the implications of having (and being okay with) a system where the ideology of nine people directly affects the rights and liberties of an entire diverse nation.