I was really unsure what the result would be -- I definitely shared your concerns when I started.
The core of Dart is surprisingly stable -- the team is doing a really solid job of not yanking the rug out from under developers' feet. Sure, I could have stopped at one blog post, but I ended up with 90 and still feel like I have more in me.
In the end, I was pleased with the result. But I might be biased :)
At best, it could be an intro saying "this is what they're trying to do"; but you can also cover that in a blog post, right?