Unfortunately, evil (vandalism, blatant disregard, apathy) will be with us always. The only way to fight it is to continue to do good ... not let it defeat you. Daily I go out and pick up trash on my block while the same households continue to trash their own yards. But slowly it makes a difference. Get your neighbors to help - pick the planters back up, put the soil back in place and replant the flowers. You WILL win eventually.