Important considerations for educators Why Command And Control Is So Bad: "Autocratic top-down, command and control works great when you focus on process--cost and quality...When you live by measurement and numbers, that's what you build--things you can easily measure..."
Structure is quite different from organization. Structure is imposition. Organization is reflection of existing elements. Structure forces entities into pre-formed containers. Organization permits form to emerge. Consider how library books are managed in contrast with tags. Books have a place on a shelf before they are written. The Dewey Decimal System determines where the book will be placed once it is published. That's structure. Organization, however, happens when the participants in the space (and individuals in particular) are able to arrange what exists based on personal interest. If I read an article on learning technologies, and decide to use the tags "emergent", "blog", and "wiki", I have organized the resource so it makes sense to me.
Structure does have a role - as the quote above indicates - based on what we are trying to achieve. Learning, in my eyes, is to complex to be confined to static conceptions of structure...