But suppose you open a legitimate yogurt shop in Brooklyn, and the competing yogurt shop down the street hires one of those shady Bangladeshi outfits to post a bunch of positive reviews of your business, then rats you out to the AG. The AG is going to come down on you pretty hard, and you're fined, and you're out of business. Mission accomplished.
In other words, be careful what you wish for. This is not an enforceable kind of law.
New York spends a lot of time and money on rather esoteric cases like this when there's plenty of good old fashioned street crimes they could be putting their resources into instead: muggings, gang-related activities, car theft, things that everyone living and working in NYC has to deal with every day of the year.