That version does look great! I actually had a design pretty close to yours originally when I started scaling down my large skyscrapers into the minis. The LA line is about half scale to what you have done with your models.
Basically, economics does play a large role. Models like Spencers or even my large models are very costly use rare elements and sometimes use unorthodoxed building techniques. As an AFOL that works just fine, but transitioning to the masses is an entirely different world, unfortunately.
The design we ended up with was based on a great deal of factors that may be overlooked by most reading this. I would like to share several of them:
Major considerations
1. Internal Standards (preset building rules & construction methods)
2. Cost
3. Scale
4. Uniformity (throughout the entire line)
5. Piece count
6. Piece availability
Each model represents a learning lesson about Architecture, had we went with something like the one-sided tapering form, people would not understand that the building actually narrows to both opposing directions, while that model does look better, the issue of inconsistancy may have out-weighed the aesthetics in this particular case.
The great thing about the Brick & all of our unique imaginations is that this can be used to make all of us better builders and challenge our skills further.
Best always, Adam Reed Tucker
www.Brickstructures.com