Universities have historically been effective examples of an Enabling environment (along some axes, and with some significant limitations):
Contemporary enabling environments like Y Combinator have already replaced elements of the university. It’s interesting to consider designing novel enabling environments with this purpose specifically in mind; e.g.:
MOOCs were a failed attempt in this direction. A related useful framing, then, is “What do MOOCs really want to be?”
See also The Primer++ is embedded in a field, bootstrapping participation through enacted experience