We can use this for things like SUID Disabler and Permission Hardener too.
Since the script just passes the arguments into chmod, we can wipe out all SUID binaries/libraries by adding this to permission-hardening.conf as long as an exception is made in the error checking.
/{,usr/,usr/local/}{,s}bin/ -R u-s root root
/{,usr/,usr/local/}{,s}bin/ -R g-s root root
/{,usr/,usr/local/}lib{,32,64}/ -R u-s root root
/{,usr/,usr/local/}lib{,32,64}/ -R g-s root root