Here's an older thread on the cable: https://discussions.apple.com/thread/7794520 https://discussions.apple.com/thread/7794520 This was pre-2013. So perhaps th

Here's an older thread on the cable: https://discussions.apple.com/thread/7794520 https://discussions.apple.com/thread/7794520 This was pre-2013. So perhaps the proprietary connector was a reaction to the cable?