As a darktable user, I have to say none of that would motivate me to switch. But then I care about the results, a nice picture to print or look at on a screen,

As a darktable user, I have to say none of that would motivate me to switch. But then I care about the results, a nice picture to print or look at on a screen, way way more than about the tools used to get that result. Goes for cameras and lenses and whatnot as well.