John Funk said:
"[A non-stop story] is one of the reasons, but more importantly, it is a result of considering HD graphics will be the mainstream. Considering the amount of work to make graphics that deserve HD, it is hard to make towns in the conventional style."
It's hilarious how the more "advanced" things become, the less they can actually do.
By that I mean I'm crying on the inside.
That said, really don't care if they make a remake of 7.
It's not that hard to follow; It's the workload.
I'm simplifying here, but bear with me...
An old sprite game, like say... Mario, involved sprites of 8 by 16 pixels, with maybe 3 frames of animation at most.
And using all of about 4 colours at that.
So... you needed to create images for a sprite totaling something like 384 pixels...
The kind of character meshes you'd see on a PS3 or similar, are into the region of 20,000-30,000 polygons, and on top of that, often have 4 or more texture maps that are 1024 by 1024 or larger, and often thousands of frames of animation. (though the methods have changed somewhat, making that relatively less work than a frame of sprite animation.)
If you were to pay as much attention to the little details on a modern character model as was given to old sprites, you'd be looking at paying attention to say...
40,000 points of animation data, 30,000 of character mesh, and 4,000,000 of textures.
That's something like 4 million to 400, or 10,000 times the work.
The reality, fortunately, isn't that bad, but the time required for a single item is still constantly increasing.
To remake FF7 with PS3 level graphics probably would require, at a rough estimate, 10-20 times as much work as creating the original did, simply because of the massive increase in graphical detail.