For the months i tested the B2W i had the mirror in my car removed, thats why the footage are from so high up on my windscreen, had the mirror been there that would be most of what the cabin camera saw.
But if you can make it work for you, and as a Uber drive you probably want a camera to be seen to discourage stupidity
The 2 in one cameras dont work so well in my car, at least not with the stealth i would want, but as a tester i have many cameras in my car so stealth are out of the window, and then the 2 in 1 cameras are somewhat possible.
My last camera is the noie yet released viofo T130 which is a 2 in 1 + 1 three channel system, it is offset much to the driver side of things and so not at all stealthy, if i was just a regular user i would never have a camera there.
but as it is the interior camera also give good cabin coverage, but it would never have worked in front of my mirror in the top middle sweet spot for dashcams.