[vishnu]

I'm old enough to remember the epic flamewar between Andrew Tanenbaum and Linus Torvalds, when in the early days of Linux Tanenbaum criticized the Linux developers for creating a monolithic kernel:

https://en.wikipedia.org/wiki/Tanenbaum-Torvalds_debate

Which, obviously, the Hurd is not, but then again after 33 years of development the Hurd is still not useable, and nobody's really working on it anymore. At this point it's really just an abstract research project.