Here is a well written link that describes the pros and cons of direct radiator driver design.
http://www.nutshellhifi.com/library/speaker-design2.htmlClearly, some people here are in need of some education. I will not stoop to labels like STUPID, as I don't regard anyone here on these forums in that way. I believe I can often learn a lot here on Audiogon but clearly, in this thread, there are several well meaning folks who might learn something interesting if they do choose to read further the above link.
I am not saying Wilson Sophia are the best speakers in the world - just that in this particular comparison stated by the OP they will sound a lot better (for valid technical & audible reasons stated)