When landing an aircraft during a flare, should you completely remove the thrust lever or add some more thrust?

Hello, Chat – GPT tells me you should still give some "throttle" and stay a little above stall speed in the landing configuration, otherwise it will become unstable. Flyingschool for X-Plane says to set the thrust lever to "idle" – isn't that equivalent to removing it completely? I would like an answer to that.

Can a layperson fly a passenger aircraft, such as an Airbus, without any experience? Let alone land it?

In many films, you see that for some reason both pilots are disabled or die. Then, purely by chance, a passenger arrives and sits in the cockpit, casually flying the plane and landing it. Of course, he receives constant instructions from the tower about when and which button to press. My question: is it really…