The idea of refining is to make products last longer not really for our health benefits. Then another is to make the food have a pleasing aesthetic look to it.

You made some great observation here, reason I still prefer my fruits fresh over all those natural fruit drinks with "no additives"

I did not know about the illegality of selling unrefined olive oil. I know in my country people prefer the refined rice over the local unrefined rice due to the way it looked like.But experts have talked a lot about the health benefits of those "unrefined" rice varieties.