To clarify, I believe that his stance was that while digital reproductions of a finished font are satisfactory, the creative process and the original design of a typeface must always be done by hand. You can see some of his hand-drawn works here, on the Zurich University of the Arts' website:

http://www.emuseum.ch/view/objects/asimages/search@?criteria...

Here are some particularly interesting ones:

http://www.emuseum.ch/view/objects/asitem/search@/52/title-a...

http://www.emuseum.ch/view/objects/asitem/search@/65/title-a...

http://www.emuseum.ch/view/objects/asitem/search@/114/title-...