The takeoff altitude (service ceiling) specification is quite conservative. For example the Mavic 3 has 6000 meters max service ceiling, but people have taken off from the top of Mt. Everest with it, and ascended to over 9000 meters above sea level.
I briefly contemplated climbing the tower, swinging hand over hand down the insulator covered "V" like a Gibbon monkey, tight-rope walking away from the tower on the transmission line at bottom center, and then balancing on the wire while...
No-one is unwittingly working for China.
This completely laughable myth has been around nearly as long as recreational drones have.
And still no-one has been able to prove that it's happening.
But that's not the point which is to scare folks into...
I downloaded the DNG file, and opened it in Adobe Camera Raw, then transferred it to Photoshop and took a 100% crop there.
What program did you use to get such a result? I seems to me you have opened the low-res preview file that is embedded in...
Plenty of detail in that photo, this is a 100% crop. Unfortunately the 48MP Quad Bayer sensor has also intorduced some ugly colour artefacts in the photo. This will most likely not happen in 12MP mode.
Here is the full size image: