$ uname -a
Darwin cowshed-door.barnyard.co.uk 8.11.1 Darwin Kernel Version 8.11.1
+: Wed Oct 10 18:23:28 PDT 2007; root:xnu-792.25.20~1/RELEASE_I386 i38
+6 i386
$ ls -l /usr/bin/pod2man 
-rwxr-xr-x   1 root  wheel  19545 Jan 13  2006 /usr/bin/pod2man
[download]

Bzzt, wrong. I've not ever touched that file, and it's executable.