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I just pulled it up in my browser and my page looks just like the one you posted. If I go to the SPG web site and follow the cc link in bottom right I see 25K point offer. Pretty typical to see a couple of different offers out there. Just proves you should always search to see best offer before applying for any credit card.
This wasn't sitting right with me. I have the business card version so I pulled my terms and it's 10K points for first purchase then 15K points for $5K spend in 6 months. So essentially same offer just worded different. It's the only offer out there right now.