Earlier quoted context omitted.
As you point out, "honest mistake" can be used by sophisticated intentional aggressors to get away with their attacks. For a long time, the advice was "Never attribute to malice that which is adequately explained by stupidity." but aggressors evolve to fit their surroundings. When the population largely follows this rule, it becomes a competitive advantage to fake incompetence. Perhaps both malice and incompetence sh…
This ties in with something that took me far too long to recognize: Trust has two pillars. One pillar is alignment of values, and therefore intent. The other pillar is competence. These are the same issues faced by AI development, as well as representative government, or anything regulating a dynamic with competing elements or agents. Yet our plurality voting system would be insufficient even to keep a car on the roa…
That's a good point.
> If we voted with {+1, +0.5, -0.5, 0, 0, 0...} weights, without duplication of non-zero values
Are you describing range/score voting?
I don't think avoiding duplicated values is necessary but it's pretty well known that score voting is the best system: https://rangevoting.org/
See the diagram at the bottom of the page describing voter regrets. Everybody at least somewhat interested in voting systems would prefer this, especially over plurality/FPTP which is the stupidest system possible. But a lot of people are clueless or willingly supporting a broken system.
There's also an explorable explanation by Nicky Case: https://ncase.me/ballot/
Sidenote: the fact you need to explain that expressing more information in one vote is still one vote shows how clueless people are. Obviously every vote has the same power to influence the result but some people will try to wear you down through misunderstood technicalities.