QB definitely has it's own processing challenges. But here's a DNG from mini3 opened in LR at 200% also. And the sensor in this drone is also QB. While it's not the most amazing picture sharpness-wise, I see less "patchiness" and more...
I'm sorry to be harsh, but these are simply horrendous results.
Optically the lens is a mush. And something went terribly wrong with 100->25 mpx quad bayer binning. I see the same very strange color patch issues that @Filmarik has noticed. Look...