I sent an email to MyPoints last night asking about Disney Shopping and got this in return this morning...
"Thank you for contacting MyPoints Member Services.
We sincerely appreciate your interest in the Earn Points portion of the MyPoints Program. At MyPoints, we strive to have a variety of vendors available to maximize Point-earning opportunities for our members. Unfortunately, Disney Shopping is not a current participant. Offers on the MyPoints site may change from time-to-time, and we apologize for any inconvenience. Please be sure to check the "Shopping" section of the site to see great offers that are currently available. Thank you for your valued membership."
I guess it's off to Sunshine Rewards for me. Thanks for the 5% info.