I don't know if Match.com is a scam or not, but it sure seems like one. Here's my experience:

I emailed about a half dozen woman who everyday are "active within 24 hours". These woman are fully compatible with me and the emails I sent were friendly.

Not only did I not get a response from these women (I did not really expect that), but NONE OF THEM even viewed my profile! That's very fishy. Anyone who reads their email is going to at least spend one second viewing the profile of the person who emailed them, right? Maybe all of them were not paying customers and can't read their email. But I doubt this because they were very good and complete profiles and this usually means they are serious and a paying customer. Then again, maybe just maybe, they are all fake profiles put up by Match to con guys like me to sign up.