It's because Apple has realised 3D touch is bad I think it's more about segmentation. For people who prefer smaller phones, there is still a reason to go for a

It's because Apple has realised 3D touch is bad I think it's more about segmentation. For people who prefer smaller phones, there is still a reason to go for an iPhone 6s with a higher price point anyway. If the se was exactly the same except screen size, it might cannibalize the 6s.