Chesterton's meta-fence: "in our current system (democratic market economies with large governments) the common practice of taking down Chesterton fences is a process which seems well established and has a decent track record, and should not be unduly interfered with (unless you fully understand it)".
In my experience, that's not what usually happens.
Where are you getting "that's what usually happens"?
Technological changes can provide good examples. Many people keep saying things like "Five more years and printed books will be obsolete," because they don't see any advantages of printed books over e-books. But it doesn't happen because there are a good number of advantages to the printed books, which remain even when people do not explicitly notice them. On the other hand, given a long enough time, the transition people expect will in fact happen, because alternative solutions to the issues will ultimately be found.
I could mention a number of a... (read more)