Gumtree allowing ******** on their site instead of legitimate advertisers

So Gumtree won't advertise my timeshare rental but they happy to put ads on for others who blatantly ***** other people's money. Ie onlinecarparts.co.za why... because they get paid for the ads. They say they are a community based ad site however they are putting ******** on and banning legitinate ads just because they get paid adverts.