Vanilla is a product of Lussumo:
Documentation and Support.
I suspect that there will always be enough flim photographers to support a boutique market in the stuff, at least for another generation.
But really, "film vs. digital" is just another gearhead argument. Some of those debates are interesting in their own way, but none of them are as interesting as, you know, taking pictures.
Basically, yes. It basically retains the "raw" image data like exposure and color balance without any of the post-processing a camera does to turn an image into a JPEG. It's as close to a digital negative as you can get. (The only stupid part is how there's still technically no standardized RAW format. Stupid proprietary vendors...)