This is exciting to me, as in something like, "Let's put a man on the moon."
Today's cutting-edge exotic speakers end up generating data for tomorrow's $100 DIY build. The Econowave is an example of knowledge filtering down through the decades, piggy-backing on prosound parts while also incorporating cutting-edge research into directivity and the freely shared knowledge of many other builders connecting on the Internet. A very high-end Econowave may outperform the JBL Everest in some respects!
Whenever I see a Maserati (or a Tesla), I think, "That's a tax on the rich," because everybody gets paid -- inventor, factory worker, salesman, mechanic, even the guy who washes it, who may eventually end up driving it (I only buy used cars myself).