cat considered harmful

Exhibit One:

cat somefile.txt | grep something
Use of cat is redundant.

Exhibit Two:

cat /dev/random > /dev/dsp
Use of cat is destructive to audio equipment.

Exhibit Three:

http://icanhascheezburger.com
Pictorial depictions of catS are detrimental to productivity and intelligence.

Ergo, ipso facto, cat is considered harmful.

So I hear that if you cat your entire hard drive to /dev/dsp, you'll hear the music files on your drive between long periods of noise. What file format does the music have to be in?