Everything is working. The problem is that then every idiot spammer out there starts doing 'everything' and the profitability of 'everything' is divided among millions of idiots looking for a quick buck, until it reaches close to 0. Then the only people who make any money are the ones that do what most other are not willing to do, which usually is something that really sucks, like being stuck in front of the PC for 18 hours a day, or losing 10s of k for testing.
Also, new ideas spread faster and faster, someone made a thread about teespring facebook campaigns a few weeks back and now everyone and their brother in law have campaigns running, each making 3 bucks a day.