What are the monstrous representatives of the fan circle in the entertainment industry?

In fact, basically all the flow star's fan circle is very deformed

On the one hand, it is because of these fans themselves, in the actual life, the spiritual level, all aspects of the talent can not be satisfied to go after the stars more easily

On the other hand is the star's team will be deliberately guided to treat them as a cheap labor force, to help make the data, after paying for it, the It's always going to pay back, that's why the madness makes people feel brain dead