Just another way to make money, under the pretence of saving the environment. So we now have to order a new cable, a new plug and a new pair of ear phones - three different boxes, packaged in another box and delivered by another van on another occasion. How does that save the environment?!
It helps when not everyone is going to do that.
I think at this point, many people buying an iPhone would not be new to smartphones, and would ideally have an existing charger from an earlier smartphone (be it iPhone or android handset).
The charging cable still comes bundled with the iPhone, though if all you have is a type A charger, you would still need a new charging brick.
Earphones - honestly, I never really liked the ones that Apple bundled (being lightning-based, it really limits their usefulness to just iPhones).
Take me for example. I have never used the 5w charger that came with every generation of iPhone, or the bundled EarPods. Even the 18w charger that came with my 2018 iPad Pro is replaced by a dual-port 30w Anker charging brick. I used a multi-hub usb charger with my 5s / 6s, then switched to a 3-in-1 charger when I got my 8+ (that I also use to charge my watch), and am now using the Belkin 3-in-1 MagSafe charger. To me, it's an opportunity. To have the freedom of being able to customise my charging setup however I wish, without being hit with the nagging feeling that I am somehow wasting resources by not using any of Apple's default packaged accessories.
Oh, and the lightning to usb-c charging cable that came with my 13 pro max and AirPods 3 are still in the original box, untouched, thanks to this little baby. Notice how none of them are officially included Apple accessories?
It's a classic exercise in short term pain for long term gain. You just need to get the accessories you lack once at the start (and it likely won't be all of them for anyone save a very small subset of really new entrants to the market), and they will carry over to your subsequent purchases as well. Given the scale that Apple operates at, there really is potential to cut down on a lot of e-waste even if not everyone is on board.