I still don't understand why people need to have 1000's of videos and photos on their phone like they're going to use them all at the same time. More to the point if you're so big into photography.. Why not buy a professional camera?
Not everyone is the same. I had to travel for my job, basically 30 hours from start to finish. That space allows me to bring a good assortment entertainment for the trip. In addition, when I got to my location, it allowed me to have stuff to do if there was a lot of down time.
I already said 64gb was more than enough, but Apple removed that option.