That's just human psychology. Can't fix that one. It's one of the fundamental anomalies of markets. People also tend to sell more when the price is trending downwards, all other things being equal.
The alternative is a small group of well educated or armed people planning the economy by 5-year increment for the good of the people. They can be right for very long, but is it fair to prevent us to make mistakes and only allow them ?
The market maybe isnt here to maximize efficiency of outcome, but maximize fairness of access ?
That's a little too strong. It doesn't maximise efficiency of outcomes. But it does (more or less) maximise profit under free-market rules.