Regarding the steel.
I know that the super steels are sharpenable with the right kit. I have some of that kit, but quite a few don't. The D2 prototype I tested came with bevels that were not absolutely, perfectly, flat. They were very close, and it was very sharp, but the O-1 example worked better, so I set to work to make the bevels dead flat. It took me 45 minutes and I ended up using 120grit wet and dry on a sheet of glass. My red DMT just didn't shift the metal fast enough to be practical in my opinion.
At the same time that I was testing the O-1 and D2 Spyderco, I was also fortunate enough to have a slightly used
A2 Skookum that needed a little attention. It was LOADS easier to flat sharpen. If a range of steels were on offer then there would be a place for one of the super steels, as there is on the Skookum, but if you have to use just one steel, let it be the one that will suit most people and most situations.
Additionally there is still the issue of logistics on steel supply for the chosen manufacturer. You might note that while Spyderco offer a lot of different steels, they don't have all the knives made in the same place. I don't know for sure, but I would hazard a guess that all the VG10 stuff is made in Japan, where the steel is made. The S30V offerings are made in the US. The Jerry Hossom range of fixed blades are made in Europe and use N690Co. Sal said that there was no capacity for this project in either their US facilities, or their suppliers in Japan.
On the shape of the butt, well, it isn't the most beautiful way of finishing the handle of a knife that I have seen, but most of the handles that I think look great have turned out to be a bit impractical or uncomfortable when I have handled them. Spyderco like to say that they make "Fugly" knives, functional, if a little ugly
So I am not worried about how it looks so much as how it feels.