The phrase 'effectively illegal' does not make sense for two reasons here. First, looking at naked pictures is different from hosting them to allow others/publi

The phrase 'effectively illegal' does not make sense for two reasons here. First, looking at naked pictures is different from hosting them to allow others/public to view them. Second, just because something cannot be monetized easily via ads does not mean it is effectively illegal. You could also just direct charge for it, like a lot of businesses do. Also, there are a lot of adult service advertisers, including Viagra and the like that monetize porn sites.