Genuine question, is my experience playing Microsoft flight simulator any use in being able to answer those questions, because it certainly feels like I can say something sensible about them.
Having an unbelievable number of hours in MSFS when I was a kid ... landing a real plane is considerably harder and a ton of instruction time is just focused on getting you to land reliably. I finished my PPL in just over 40hrs which is close to the minimum. Most people will fall into the 60-100hr pool.
I'm dubious that this passenger really had zero experience it takes a good 6-10hrs to get decent at landing (as in not bending metal).
MSFS does however offer a reasonable feeling for the cruise portion of a flight.
This seems familiar - I remember flying with mitten gloves (due to cold!), controls were joystick, rudder, flaps, and an altimeter: https://en.wikipedia.org/wiki/Slingsby_T.21
He did that one landing well, but he did not show that he can land reliably.
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I think my key for landing was learning flaps and throttle and getting a feel for stall speeds in sims.
Now, would I want to test that in an actual plane in a life and death emergency? Not really. But I'd wager my odds are good.
FOUND IT: https://www.baltimoresun.com/news/bs-xpm-1999-05-03-99050300...
My instructor encouraged me to buy MS FS, pedals and a yoke.
My aviation skills were also interesting. I had no problem with coordinated turns and holding a heading. However I almost busted the bravo because my altitude kept creeping and I was so used to using the electric trim tab on my joystick. However in the real plane there are two and you need to hold both. Plus, I should have just used the wheel which I don't have on my HOTAS. My second flight in a 172 was much better in that regard.
The sim doesn't prepare you for the physical sensations. Not just the movement, but the massively improved FOV, contrast, resolution, and frame rate. It was pure sensory overload. I did all the approaches and it just felt comfortable.
My HOTAS is both a blessing and a curse. It's great for VR, but my muscle memory was all messed up. And the input sensitivity and weight is very different IRL. And despite knowing I'd likely be fixated by the instruments, and should be looking outside, I did it anyway.
Hope this was helpful. Can't recommend simming enough. It's what made me want to do a discovery flight in the first place. It was magical.