Some turnkey providers consider maintenance and vacancies as «soft costs» (versus hard costs like taxes, insurance, HOA fees), and they either won't include them at all, or use unrealistic numbers, in order to make the property look more attractive from a ROI perspective. (biggerpockets.com)
«I think you're seeing that with video, where some sites are doing it because that's what Facebook wants — and they're doing it not because their audiences are craving live video, but because they have to reach this unrealistic number that's been set by their venture capitalists.» (fortune.com)
When you couple that with a very biased interpretation of what happened under Mao's rule (and I'm no fan... I worked with people who had been in reeducation camps) you get the kind of unrealistic numbers you are providing. (religion.blogs.cnn.com)