Here is an ars article to back up the claim that they will switch to usb-c. Some devices like ipads use usb-c already.
https://arstechnica.com/gadgets/2022/10/apple-confirms-it-wi...
We need regulators to do this so Apple doesn't change their mind and make "Lightning 2". Even if Apple did have a full USB-C switch on their roadmap, every company in FAANG needs a healthy fear of regulators. Europe cracking down on the App Store and Apple's silly proprietary cables are the start of this, and a fantastic first turnout so far.