What do you think of the famous debate between Torvalds and Tanenbaum from 1992 titled "Linux is obsolete"?
https://web.archive.org/web/20130425230620/http://groups.google.com/group/comp.os.minix/browse_frm/thread/c25870d7a41696d2/f447530d082cd95d#f447530d082cd95d
https://web.archive.org/web/20130425230620/http://groups.google.com/group/comp.os.minix/browse_frm/thread/c25870d7a41696d2/f447530d082cd95d#f447530d082cd95d