Webinars have been touted for more than a decade as the greatest innovation in learning since the discovery of slate. It is certainly true that government agencies who use webinars wisely are able to train large numbers of people at a small fraction of the cost required by live learning. But it is also true that you get what you pay for.
Webinars, whether they are used for training or meetings, are too often treated like conference calls with PowerPoint. And quite frankly, nobody needs a webinar for that.