I know this was talked about recently, but can't find it here to vote.
What's odd is that Absorb does not offer ability to provide Blended learning apart from setting up a curriculum to contain both an ILC and Online courses. This then limits ability to package more than one blended course together.
My suggestion is that it's imperative to offer ability to create a course that can contain course objects for online learning, as well as an ILC course, or even a session as an Course Object.
That way, L&D teams can offer Course A - Online and ILC, and Course B Online and ILC, and put them into a curriculum of just course A and B.