There's a big difference between saying "can't watch it online" and "can't watch it online *at the official website*". The latter is disappointing, the former is a lie.
First line of the summary: "Ilgaz writes in to let us know that we will have to install MS Silverlight 2 to watch the US President's inauguration online." Nowhere is the possibility of other websites mentioned.
You still aren't allowed to take secrets with you. That's a gray area, but the general idea is people are poached for their skills or ability to recreate those secrets, not because they know a particular thing.