Besides sounding like a William Golding-inspired Mel Gibson movie, I find this new law in a Chinese suburb to be funny just in its ludicrousness.
The article makes a good point, that this law basically just treats the symptom, rather than treating the disease. Wouldn't paying citizens money for dead flies actually encourage them to be less hygienic? That is, if they want to collect money for the dead flies they're turning in, wouldn't they want there to be more flies, so they might create an environment which would draw more flies - cleaning less frequently, leaving food out, etc.
Now honestly, I don't think this is going to create a culture of unhygienic families just to make a few cents off of a dead fly. Most people take pride in living in a clean house (or at least a passably clean one, which in my case means at least you can't really see the dirt). But it's not going to solve the problem that already exists. It's not going to encourage people to clean up their environment more than they already do.
It's like the age-old problem of feeding the hungry - do you give them a food drop, which will feed them for this week, or do you teach them how to grow their own food, which will feed them forever (hopefully, given environmental conditions)? If this suburb in China has a problem with flies and wants to get rid of them, wouldn't their money be better spent on street cleaners to clean up any insect-attracting detritus in the street, street sweepers, water flowing through the gutters (like Paris)? I don't know what the trash disposal system is in China. Is it like the American system of trash cans and dumpsters and disposal trucks coming around once a week? If residents must take their trash to a dump, it's possible they aren't doing this frequently, which would create flies around the collecting garbage bags. If there is trash pick-up, wouldn't it cut down on the flies to have the pick-up happen more often?
There are so many other ways to fix this problem than just throwing money at the result of the problem, rather than finding a working solution so the flies don't proliferate in the first place.