contrast does not affect saturation
This one is bit unfair, Corona's Contrast is identical to Adobe's, it's basic contrast. It's not mistake that it doesn't operate on luminosity channel only, or offers selective smart saturation (Vibrance).
Some raw editors replaced Saturation with Vibrance (and call it Saturation again), but since we already have saturation, I would just add vibrance. The saturation is the weirdly integrated feature.. doesn't act like anything I know (affects luminosity&contrast way too much).
This is true. I wish corona at least behaved as a real camera and I could take the rendering from corona as pure raw and do a camera raw in photoshop. I still couldn't figure how to do this.
When people say they want Corona to behave like "camera", they actually want it to behave like raw converter. SOOC Jpegs from Camera are done by their own internal raw converter. The raw file itself is linear.
Corona's linear is also "raw", just 32bit floating point raw with massive dynamic range, which needs tonemapping. Even photos when merged into higher dynamic range require tonemapping, you can't just open them in Lightroom or CapturePro and use the base
Most raw converters don't allow these format at all, or they don't work correctly with them.
I once proposed devs what I consider could work as workaround. To allow Corona to save directly into .dng format. Adobe's DNG has both 16bit and 32bit floating point options. And I thought perhaps this would confuse raw editors less, effectively "trick" them.
But even right now it sort of "works". When you use "Open as" in Photoshop, you can open linear floating point (either 16bit or 32bit .exr/.hdr), and you will use absolutely the same workflow ACR would offer you if you loaded merged HDR photo. But you have to use the older process, or accept the odd behavior it can exhibit.
(I didn't test one more theory, if artificially clamping dynamic range before would make ACR more predictable).
The only thing Corona devs can do, is integrate different tonemapping curve (global tonemapper are always just curves). But it does work like camera, and you can export raw.
Whether Lolec is trolling or saying truth, it's genius post :- ).