I've discussed elsewhere the graphic advantage of Bryant's 3 interlocking circles that while maintaining their own spaces they nonetheless share some space with each other and have a central core (see below). This seems more indicative of the themes in the blog and forum and in the referenced sources therein.
Hence AQAL philosophy and the MHC are limited by its set-theoretic paradigm that requires distinct categories and clear boundaries that are not breached (recall this). Within the AQAL diagram the nesting would be boxes within boxes in each quadrant, but the quadrants themselves would remain clearly distinct and separate. Same for the usual ways sets are depicted. But what if they were depicted as follows?