>>Hi Bruce,
>> Thanks very much! This article included many of the haikus I used, but unfortunately not the one my former client objected to.
>> I will keep searching.
>> Thanks, Chaim
>
>Maybe this is too obvious, but have you searched the Google results of [computer error haiku]?
>
>e.g. http://www.infiltec.com/j-chaiku.htm
>
>Or even a distinct phrase of the haiku in question?
>
>From the Google results there is a lot of overlap, any FoxTalk haikus may have originated somewhere else.

Just presenting the multitude of cases when these were published over the years, specially with extra ones which weren't coming from Salon, should make the case that it was a form of popular art.