I've heard your pleas, and have had them myself. For iPhone owners who also use Windows, sending and receiving Messages from your desktop can take some finessing. I'll show you how I got it to work.
To use the Windows 11 multi-app camera feature, join the Windows Insider Program and install Insider Preview Build 26120.2702. Then go to Settings > Bluetooth & devices > Cameras, select your camera, ...
Edit Menu: Click on the drop-down box below the menu bar and select "Edit Menu" to expand the list. Tick Apps Checkbox: Tick the "Apps" checkbox and select "Done" to add the "Apps" section to the menu ...
Now Windows 11 has been updated to allow Android smartphones to be used as a webcam wirelessly via Bluetooth much more easily and effectively. The Windows Smartphone Link app is used for this purpose.