On Sat, 19 Sep 1998 21:55:52 -0400 (EDT) 
 woods@most.weird.com (Greg A. Woods) wrote:

 > hundreds (or is it thousands) of programmers world-wide who've had end
 > users of such software ask them for support only to find out that the
 > bug was introduced by the proprietary vendor.  Even worse many such
 > users will expect *free* support just because they're using what they
 > think is a freeware component of the application they're using.

Solution here is easy: "Oh, you're not using my distribution?  Sorry."

Also note the warranty disclaimer :-)

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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