People have diverse views about what they think is moral, what economic policy is the best, what legislation is good, etc. But all of these views are opinions. By sharing our opinions, (most) people are advocating for ideas that they believe is better - one that will create the most benefit and cause the least amount of suffering for people, overall.
Through experience, experiments, and discourse, we learn about how we can improve the system that we live in. For example, I think most would agree that humans (overall) suffered more 500 years ago when compared to today, because we've learned and changed our views over those years.
Given this, does a "best" system exist out there that humans just haven't figured out yet (one that produces the most social, moral, and economic, environmental, etc. benefit, with the least amount of harm)?
It is likely that a perfect system (one that has no harm and suffering) doesn't exist. But when I think about this mathematically, it makes sense to me that there does does exist a best system that maximizes benefit and minimizes suffering/harm. If so, with time and experience (like how we've changed over the past 500 years), will humans ever figure out this "best system" and reach an equilibrium where things overall are already the best they could be, and nothing can be improved anymore?
Please note that I'm not trying to ask a subjective question; I'm thinking of this as a mathematics optimization problem, where there exists a point that is the most optimized and things (overall) can't get "better".