It's a TEDx talk. In this case it's an interesting one by an expert in her field, but TEDx have a lot lower demands for participating, so try to keep the distinction clear.
They don't make a habit of posting the shitty TEDx talks to the main channel, I'm guessing. (And there's plenty of those.) This is definitely high quality relative to most TEDx talks, so I understand why it was upgraded.
