One of the fundamental tenants of science is to strive to constantly prove itself wrong. It's fundamental. Of course we'll make mistakes along the way. That's

One of the fundamental tenants of science is to strive to constantly prove itself wrong. It's fundamental. Of course we'll make mistakes along the way. That's how you learn. Some will in fact be disastrous. Such is the cost of scientific progression. Best we can do is hope to mitigate the negative affects as much as possible. As a counter example, despite all the negative things we read about, life expectancy and quality of life continues to go up. The system appears to be working.