Response from their Customer support: We have over 20 million "real" members on our site.
When you upgraded to a premium membership, the following disclaimer was clearly stated on the upgrade page,
Online Cupids or OC's are fictitious profiles made by real people intended to stimulate conversation with members in order to encourage a broader participation in all of our Site's services. This includes the posting of additional information and/or pictures to the member's profiles. The OC's also serve as a means of monitoring member activities, communications between members, and ensure compliance with our Terms and Conditions. OC profiles are clearly marked with a white Online Cupid badge at the top of the profile page.
Well they won't disclose how many of those 20M "real" members are paying males (probably very close to 100%) and how many are real females (I'd say close to 0%). Just go on their site as a male (looking for a woman) and click on... (Read the full review)