The first is that we are indeed: "Born Bad" in that we are born in sin. The second is we are all mischievous because we have a sinful nature from birth. The saying: "Never a truer word spoken in jest" comes to mind. And I am, indeed, bad.
Real Bereans [Acts 17:11] are truly needed; watchmen must warn; evangelists must compel; Do Not Be Deceived and watch that periphery!