Retailmenot has gotten much more scammy over the last few years.

It's actually gotten more legit. Most of the coupons are seeded there by vendors themselves these days. Which is how they just IPOed for a billion dollars.

The original point was to get discount codes that weren't given out willy-nilly by the vendors, so I'd say that makes it less useful/legit, not more.

I've tried to use RetailMeNot in the past, and their coupons have never worked. I think they are part of the author's "big ugly affiliate scam"