There's far more to this Street View situation than the logical statement of "well, there are tons of places in Montana that don't have streets". You know, huge chunks of wilderness and stuff. That certainly contributes to the lack of street view mapping, but it's not the whole story.
It's a good thing most people know not to trust every online review you read about a local business. Recently, there have been some elaborate, yet oddly non-specific, extremely negative reviews for some reputable Bozeman area restaurants.