I understand the advantages of in-boom but the more I learn about them, this case being an example, the less impressed I am for shorthanded (ma and pa), long-distance cruising.
I was struck by the fact that it required all four crew to put in a reef. Perhaps this is as a result of the need to head to wind with in-boom furling. Our Bristol was smaller, but still 40,000 pounds loaded with in-mast furling and no battens. It was routine for either of us, including my 5' 3"...