We've gotten a few questions about this wording, and we'll revise it to clear up confusion. Thanks for the feedback.
We have absolutely no intention of taking any of the code people store with us or using it for our own purposes. As we said, this is solely to allow us to host your content without violating your rights.
Twitter's already suing the federal government for the right to disclose NSLs. In March, their lawsuit was dismissed. However, the EFF is still working on it...
As you can see from that diff, comparing the documents in diff form was just confusing, so we didn't try.
We hope to provide future updates in PRs with a diff.