http://forums.pelicanparts.com/porsche-cars-sale/895158-cars-sale-pelican.html
The argument goes that the dealers offer Porsches to those who may wish to buy them, so a free listing here is a service to the whole community. The rules in place help it not be like CL, where dealers spam the cars for sale listings endlessly. I think dealers who abuse the privilege should be warned, then banned if PP thinks they are abusing, but otherwise, I don't have much problem with dealer postings.