If you really want an answer, I would suggest asking it within the linked thread (in the SPG forum.)

But if I had to guess, I would first ask when you made your request (as this new policy was stated as starting on April 1st.) Next, if you made your request after April 1st and still receive a match rather than a challenge, I would then guess, you got very lucky as it doesn't look like others received (based on the linked thread above) the same match.