Oh yes, believe me, I have enormous respect for our current system. It works really well. It has amazing emergent behavior.
In a way, I want to improve the current system; it's just sometimes an issue of branding, mental models, and compatibility, that it can be useful to think of it as something new. Like a new software that's inspired by legacy systems.
For example, by now it's clear that Open Source technology is almost a miracle. The potential for civilization for a large scale conversion to open source technologies is hard to grasp. Imagine every product sharing design files, and new manufacturers/designers being able to build upon all every other design with zero friction.
We have the problem of how to compensate the developers. Currently we're going with a bland of donations, support systems, and a few other apparently meager funding sources. I don't think our legal system is prepared to tackle this (i.e. you can't fix it completely with a well designed license), and neither our economic system can. So that already begs a certain kind of redesign... what if we had some kind of distributed/decentralized entity supervising the flow of technology/information and rewarding them according to societal impact?
We tend to think of a simple government/industry division, but government tends to be too centralized and imperfectly aligned to effectively fulfill this kind of role (industry due to its economic design tends to perform better).
One of the idea (please, give it a try as well!) is to have a decentralized network of adversarially cooperative evaluators for this (in a system that cross-validates itself and economically aligns estimation accuracy).
This seems naive or small-scale.
But almost every major issue from society stems from this imbalance: the improper/imperfect reward mechanism for doing what's good for us; imperfect coordination. Examples: Predatory advertisement, Pollution, Climate change, Open Source funding, Cultural funding, Addiction-driven design, ... I could go on.
I'm not thinking of completely replacing what we have, but having a third element working alongside government/industry.
This is literally the most important problem in the history of humanity and... there's no much on it, except for ideologically-driven discussion.
Remember: Ideology is a mind killer! [1]
[1] https://www.lesswrong.com/posts/9weLK2AJ9JEt2Tt8f/politics-i...