It is precisely the process of electing those charged with administering the law on a local level which is most objectionable. Democracy is undermined by any system which politicises the actual administration of justice, this is inimical to the rule of law, which is in turn the essential foundation of political democracy.
Democracy is ideally about democratically determining what the law will be, on the understanding that the law will then be administered impartially. (Representative democracy falls short of the ideal in that it only permits citizens to democratically elect the people who will make the laws, rather than being able to make the laws directly.) The problem with electing administrators though is the elected administrators of the law (judges, police etc in the US system) can no longer be impartial. They are subject to political pressure. The law will not be administered fairly, the elected police and judges must get and retain the support of a majority (and only a majority) in order to retain their position.
This is cancerous, undermining democracy. I wasn't merely being rhetorical. I genuinely believe that Americans don't understand this, don't even understand the basics of democracy. Maybe they were world leaders a few hundred years ago, but they don't seem to have kept up with the pace over the last 300 years, are still wedded to their primitive vision of democracy. That early system had lots of bugs, the rest of the world has been gradually de-bugging it, but the US is still stuck with an early unstable version and has no idea how it works, let alone how to fix it.
Bill Bartlett Bracknell Tas