Just for demonstration purposes: imagine we get rid of voting alltogether.
Instead, a random representative sample of 1000 people is chosen from the population, for some congress, for a year. They rule during that time. Some rules cannot be overruled, like the 1 year limit, no way to game that. Additionally, all communication of the chosen ones must be recorded and public, without exceptions.
This basically eliminates corruption or the rise of a „ruling class“, and lobbyism has a much harder task.
I would also argue that this will result in much better overall decisions - they might lack some initial knowledge but that is more than offset by missing corruption and cronyism