Benchmade typically appeals to a different segment with some of their offerings. This will ruffle feathers, but CS attract the Mall Ninja crowd, and for some weird reason they think the bigger the knife is, the better. That is not the case with all of their knives though. They make some great products that are reasonably priced. Of course I will make a wild guess that most of those huge knives never get used, or even leave the basement of their parents home...
When you get to that size of a folder, there really is no benefit to carrying a folder. You might as well carry a fixed knife knife that will be stronger and easier to deploy.
We all have different tastes in knives, as well as particular sizes we like. That said, when I see people carrying huge folders, and using a 14 inch long fixed blade knife for hunting, I can't help but think perhaps some education on how to properly use a knife would be more beneficial than a huge knife that is cumbersome to use and carry.
YMMV
Tooling is very expensive, and it would take quite a demand for a company to warrant the initial expense.