I think they finally want to get rid of all the non 64bit iOS Devices so iOS 10 can be 64bit only. (Yes I know that means the 5 gets 1 year of support less than the 4s)
Oh no... we still have an iPad 2 and iPhone 5 which we'd still like to use for quite some time.
Btw, I live in Singapore and a good portion of Indians here uses current-generation iPhones. At least in places where I work (mostly MNCs).