Earlier quoted context omitted.
I imagine their thinking (as flawed as it is) is that it frees up local disk space for the user. If you've got a base level MacBook Air with just a 128GB SSD, maybe it seems beneficial to have a 40GB iTunes library stored entirely in the cloud on demand, and suddenly have 30% disk space freed up. Apple have a similar philosophy with Photos, where the photos on your device are just low resolution versions, with the or…
I'd seriously been considering a Macbook, for home use, mainly due to the iPhoto app, since on Windows there is only Google Picasa, and they've killed it. If there anyway to turn off that syncing and keep files locally only? Your comments have made me rethink my upcoming purchase!
http://www.macworld.com/article/2955637/software-photography...