«Hurd having been in development for so long, but still not production-ready; and with Linux as a mature free kernel being firmly established as the de-facto standard kernel for the GNU system -- people often wonder: why haven't developers abandoned the Hurd long ago? Without going into technical details, this short talk tries to explain the main idea behind the Hurd architecture, which sets it apart from other systems.» — via Why is Anyone Still Working on the GNU Hurd? —