Yeah, now an attacker will be able to delete the binaries you downloaded from the Internet, in addition to all of your personal files.<p>If your single-user system is compromised to the point where it matters what files you can and can't write, you've already lost.  And the "low hanging fruit" in this attack scenario was the files you actually cared about.<p>(Also, this is a dupe of the top-rated comment.  Maybe read <i>one comment</i> before replying?)