It’s also been 9 years, a lot involving Lego has happened in that time, including the Lego Movie (which was overall advertising system), and the general acquiring of my licensed themes.
That may be a result of the licensing bringing the large majority of the popularity, however. There’s too many variables to definitively say it’d work or it wouldn’t. I think Nexo Knights needs to get a more stable grounding in the community before they try it, because, as you said: