No
No and your equipment doesn't share your location except that the drone shares it's location with the controller and vice versa.
You worry unnecessarily about something that doesn't happen.
It makes perfect sense, if you want the aperture to stay constant, you need to lock down the aperture setting and allow the shutter speed to change.
Did your other drones have a controllable aperture?
If they did, they didn't work any differently.
Since they share the same camera, the quality should be the same.
The most likely cause is the different settings used.
If you can upload examples from each model to Google Drive or similar and post a link here, the metadata might have some clues...
It's extremely unlikely to have anything to do with the optimal RTH setting.
If you really want to test it properly, try RTH and see if it does it again.
Then disable obstacle avoidance and try again to see what difference that makes.
Three pages of posts all because a (really badly put together) YouTube video about the loss of a drone was put in a forum area that is normally used by pilots asking for assistance in discerning the cause of a crash! The YouTuber wasn’t even...