Why doesn’t Apple just let you backup iOS devices to a Time Machine share on your local network?

Or let you store *all* of your iCloud data on a Time Capsule-like device so Apple isn’t even hosting it?

https://arstechnica.com/tech-policy/2025/02/apple-pulls-data-protection-tool-instead-of-caving-to-uk-demand-for-a-backdoor/