That’s the thing. I don’t need to buy anything new. Even my 11 pro max wall block and cable are still in the box...
You don't need it does
not mean other people won't need it.
Lots of commenters already stated
they have lots of USB C cables/chargers with their Mac, iPhone or iPads.
Not everyone else have the newer iPhones or other Apple products that came with the USB C cables or chargers which is the point that many of those commenters really don't or refuse to understand!
This is MacRumors so maybe the majority of commenters probably own more than 1 Apple device but the general user or some other commenters may
Not.
Many people can still use the older USB A to lightning cable with the older chargers, which are still usable on the new iPhone 12, but that's Not the point!
As others have already stated,
Apple wants people to use the USB C cable, which is why it's included with the iPhone 12, so a charger should've been included. Since it's not, people will have to spend more more, regardless of amount, just to get a USB C charger.
That is typical Apple in making users continually buy its accessories just about every time a new Apple product is released. More money to Apple and less to the consumer.
If you have lots of USB C cables and chargers, good for you!
But don't knock [lots of] other people who do Not have them!