Admittedly, lawyers always have the option to decline representation for something they find morally reprehensible, however, believe it or not, lawyers are also supposed to follow a code of ethics which often places a certain obligation to represent people.
Disclaimer: Of course it's not really this cut and dry, but we do ourselves a disservice by placing all the blame on laywers. In this case, killing the lawyers would just mean the underlying technology of the web would be patented by the inventors themselves (as required by their employment contract) or by patent agents (engineers/scientists that are admitted to the patent bar and are NOT lawyers).
"An open mind has but one disadvantage: it collects dirt." -- a saying at RPI