Yep, and this is why it is unlikely the 13 Mini gets another year.
Still, a hypothetical lineup where the 13 Mini stays instead of the 13 would be compelling for its lack of overlap since the 13 and 14 models share the same processor.
iPhone Mini - $599
iPhone - $699
iPhone Plus - $799
Sure, the Mini sells in small numbers, but the bottom rung legacy phone does as well. Why not keep the uniquely sized Mini around for another year at the same price rather than giving up another $100 of margin on the 13? Just some food for thought. As I say, I don’t believe this will happen, but it does at least present an interesting business case to ponder.