Because it's a dumb thing to be doing.
You probably don't realise that many aircraft don't have ADSB-out and your app won't be warning you about them.
And the planes that don't have ADSB are mostly smaller planes which are the ones most likely...
"I'd have to be real careful crossing the runway"
Why would you fly anywhere near a runway of even a small airport? At least it will let you takeoff, then fly away from the airport. Anything else is just irresponsible.
But the details you gave couldn't possibly describe a Mavic 5.
They fall well short of what the Mavic 3 had a few years back and what the Mavic 4 has now.
And the smallest sensor that current Hasselblad cameras use is >10 times larger than a 1...
If you fear a DJI ban, shutdown of DJI software and firmware updates, blocking of DJI drones operating in the US, or any of the other sky-is-falling rumors of pending disaster, watch and assimilate this video.
Thank you to Vic Moss for an...