on blindly recommending

There’s a saying in IT that nobody ever got fired for recommending IBM.
Why is that?
Can we start firing people for blindly recommending IBM?

(dead link) Source (http://www.intellectualdetritus.com/2008/06/can-we-start-firing-people-for.html)
(dead link – https://plus.google.com/+DavidKutcher/posts/6fmQmJiyqjr) new source