I don't need to show you something proven to be better to ask that question unless you have some kind of creationist-like belief that all systems have been discovered and tried.
1930's United fruit. I dont think we're gonna argue that they were "good" but their impact was bad in the face of weak governments.
In the US we have our 3 branches. We also have Adams 4th branch (jury nullification). There is the 4th estate / first amendment. And then there is corporations. Corporations having some influence on government is good but the US is leaning into too much territory, and Europe too little. Change isn't hard in the US, it's motivating people out of apathy to get it done that is hard.
Shockingly most capitalist countries have it easy. There is a famous story about a grocery store and how it killed the USSR: https://www.chron.com/neighborhood/bayarea/news/article/When...
If you want change it isn't about "honest about the suck" its about motivating me and everyone else to buy into something enough to put down the phone and get off the couch and make that change happen.