The answer has never laid in ever more elaborate designs to disenfranchise particular members of the population. It's always been in building community.
A community is what helps stabilize, helps tighten up distributions, and wrestles most authentically with the general premise that we are social creatures and only as strong as our weakest link.
If you think you're going to build the perfect society by way of careful electorate curation, I have some unfortunate stories to tell you.
Have you taken any class ever on disenfranchising events in history?
Also worth mentioning for those in these neighboring threads, the impulse to blame dysfunction during hard times on a particular minority of society has a name, you can read more about it here
Academics: - Hell bent on or at least open to trying communism (again) - Believe that the government should dictate individual health care decisions - Pretending that gender is complex
Farmers, soldiers, auto mechanics: - Look at the world and adapt to it - Worried about problems that are right in front of them, and solve them every time - Grounded in common sense and only occasionally think in philosophical abstractions