Apple Inc says; "We read all feedback carefully, but we are unable to respond to each submission individually."
Here is how to provide feedback on an iPhone · Country or region* Select your country or region. · Feedback Type* Select feedback type. · Comments* Enter a comment.
Feedback - iPhone - Apple

This pic below is self-explanatory. This will allow you to select Live Photos for Lock Screen Wallpaper but the effect of Live Photos may not be attainable.
To use Live Photos you need to touch and hold a Live Photo but in iOS 16 and above the Touch and Hold in the Lock screen will go into customise wallpaper mode.
