We don't. Nature is great at self maintenance, much like forest fires we have to let it clear out the dead wood, and suffer when we don't let it. We don't like

We don't. Nature is great at self maintenance, much like forest fires we have to let it clear out the dead wood, and suffer when we don't let it. We don't like that because we like to espouse every life is precious and to accept the alternative stabs a whole lotta sacred cows.