It's likely because it's all wrapped up in Twitter's web interface. To the average user, it looks like you just paid Twitter for something. If you have any sort

It's likely because it's all wrapped up in Twitter's web interface. To the average user, it looks like you just paid Twitter for something. If you have any sort of problem with shipping or the product itself, you're likely going to go back to where you bought it from: Twitter. They're simply protecting themselves from a series of problems that would be completely out of Twitter's control to help in any way. Twitter would always come up the loser for any of Ribbon's mistakes. They don't even have a way to punt any support issues over to Ribbon.