I guess this just goes back to the talks about breeding for type, not for fads - or breeds for that matter. If you forget that there are breeds of cattle at all, just for arguments sake, and forget the style of the show ring or high-dollar cattle, and just select for cattle that work, you come up with bulls like this.
Extremely deep, easy-fleshing, thick, etc, etc. Whatever breed they are doesn't matter, they are the TYPE that will be efficient, fertile and easier to keep. I simply find it fascinating that the look of an animal in the mainstream cattle industry, has gone so far from function towards fad. The truth of it all is, when you find the most efficient and functional animals, they do in fact look like this. And even more interesting, is that the lineal measurement scoring system identifies them as such.
JMHO, so let the games begin. ;-)