Some mistakes can screw up the rest of day. Some mistakes can screw up the rest of your life. Try to avoid making the former, but avoid making the latter at all costs. Hard drugs, an extramarital affair, drinking and driving.Think the consequences through before you do these things.
We also have intersections with dedicated pedestrian green light. All cars stop and pedestrians can cross any direction. Allowing cars to enter a busy intersection when pedestriana are in it is insane, especially if the driver has to look one way for vehicles and the opposite way for people.