Some were reported to have canceled the membership of people who complained. You should file a complaint with the local Better Business Bureau. If the dating service is a supporting member of the BBB though, expect to have a difficult time filing a claim. By the time you have the complaint written so that the BBB will accept it as a valid complaint, it will be so watered down as to be almost pointless. Write complaints to every local consumer protection agency, or government consumer bureau you can find.
Most states have some sort of such bureau, as well as some cities and counties.
Write to local newspapers, magazines, radio and television stations that do consumer information articles. Suggest they investigate these outfits. If you have a flair for writing, compose articles about your experiences and submit them to local publications that welcome unsolicited articles from their readers. If you want to take legal action, it is easier in some states than in others. In some states consumer laws tend to protect the consumer while in others they tend to protect the business.