The carbon footprint of an iPhone is about 82 kg of CO2-e over its lifetime. The carbon footprint of a car over ten years is about 25,000 CO2-e.

I applaud Apple for its efforts but it's obvious where we need to start.

People will just buy another phone? The total CO2 footprint will most likely be higher without the 12

Nothing would be saved. Competitors would develop new products, win the market, and be back in the same place. Magic thinking isn't very useful.

I imagine not much?

Why not become a worker controlled industry while they're at it.

they would have saved negative money. Because the iphone 12 sales were positive, profitable.