I mean a lot of the stuff he's complaining about being crap aren’t exactly replaceable by the GNU coreutils.
People installed them on AIX/Solaris etc because the BSD/SysV tools they came with were basically abandoned. The GNU tools had a lot more useful features, not specifically more performant (although they probably were)
People installed them on AIX/Solaris etc because the BSD/SysV tools they came with were basically abandoned. The GNU tools had a lot more useful features, not specifically more performant (although they probably were)