The inherent range limitations prevent that and always will.
You're looking at 500-700m usable RID range (as opposed to Aeroscope/DJI ID).
The latter DJI or third party solutions are much more costly to deploy. RID is "anyone with a Samsung"...
That's their eventual goal with network based id. The sinister end game.
Until then it's normal rid direct (as the original consultation paper designed to get the answer they wanted showed).
All DJIs already broadcast all of that and more over...
Cropping inwards will reduce quality for many purposes. Far from ideal, especially when dealing with video.
Cant always fly closer, cant always fly backwards. Different usage and different requirements.
Remote ID is not the DJI telemetry from Aeroscope. Its a WiFi (or bluetooth) beacon broadcast unencrypted for anyone in range to receive on their phone or other device.
They'll use that.
ALL-I / 264 itself is far from new. My 12 year old Canon 70D shot it.
If your computer can handle the bit rate/resolution then All-I wont change anything. (and even then you can proxy)