Granted, there isn't the ridiculous amount of postprocessing we see in phones, but even many dedicated cameras these days don't give you an actual raw sensor dump in their so-called RAW files.
Sony is probably the worst offender here actually. The a6x00 series applies lossy (!) compression to every RAW file without any option to disable, and there's an additional noise filter on long exposures that wreaks havoc on astrophotography:
That's why I used the a6000 as an example. Even that is significantly better than what phones we're seeing today, where even the "RAW" is entirely artificial
Sony is probably the worst offender here actually. The a6x00 series applies lossy (!) compression to every RAW file without any option to disable, and there's an additional noise filter on long exposures that wreaks havoc on astrophotography:
https://stephenbayphotography.com/blog/sony-raw-compression-...
http://www.markshelley.co.uk/Astronomy/SonyA7S/sonystareater...