The most interesting thing I've seen in this direction is Sora. It's based on many principles of Athenian democracy. Of course, it's only for managing tokens and not laws, but it has some interesting ideas above and beyond "tokens = votes".
I don't know, places like Switzerland certainly make me wish we had some of those aspects in my home country. For things with a lot of special interests like privacy legislation, it seems to get better results.
... we are also more capable ourselves, and capable of dealing with greater amounts of information - that famous 1800's vs now information consumption stat ...
Or, perhaps, tech could help us "digest" and process that complexity ...
... though witnessing recent "disinformation management failures" - to put it mildly - does not point to much hope in that regard, to be exact ...)
https://medium.com/sora-xor/the-sora-parliament-af8184dae384