And more to your point - The iPhone 7 is currently 450$ brand new and is nearly 3 years old. Not only has it received feature updates for those 3 years, but all

And more to your point - The iPhone 7 is currently 450$ brand new and is nearly 3 years old. Not only has it received feature updates for those 3 years, but all it's predecessors down to the 5S have been receiving feature updates (ends this year unfortunately) - we should be able to expect the iPhone 7 to at least get another year or two of feature updates.