I humbly suggest you shut the hell up. Someone asks a factual question on general questions, asks folks to answer it factually after getting condescended to, and you think he needs to be elsewhere?
Now, let’s pretend we’re in general questions for a moment.
First, the question -
The OP asks whether people, in America, return home to their house, methodically go from room to room turning on the lights.
It does not ask whether Americans turn on any lights, just all of them. It does not ask about lightsabers or other fantasy. Nothing in there about kung-fu keystone kops, and nothing about the nature of art.
First. The background details of many films do, in fact, depict common life. At least, realistic movies do (This is the technical movie-type term realistic, not what you’re thinking. It’s the opposite of formalistic.). For example, drivers stop their cars at red lights unless it’s important to the plot. The sun shines, married couples wear wedding rings, telephones ring when someone’s calling. You know, background details.
Now, most Hollywood-type movies we are stylized realistic, kind of a ‘middle ground’. In such movies, setting is kept subordinate to the story so it’s nice and tame - that’s why you can park right in front of a busy cafe in Manhattan in mid-afternoon. However, the stylization is kept to a minimum, to give us a chance to enter a state of suspension of disbelief.
So, I think we can all agree the question is legit. Oh, Cite: Louis Giannetti, Understanding_Movies, Seventh Edition. Page two - this isn’t that complex a concept.
The hard part about answering the question is that lots of people lie, or make stuff up. But slogging through eight thousand websites can be interesting. For example, did you know that leaving the upstairs lights on, especially in office buildings, increases the bird mortality rate?
Hmm, a Honeywell survey reveals that 61% of Americans turn the lights off when they go to travel. 48% turn 'em on before leaving. I guess 9% of us do both.
Well, according to http://www.neetf.org/roper/2000%20Summary.htm, 85 percent of Americans say they turn off the lights and appliances when not in use.
Okay, we all know the answer is no, Americans generally don’t go around through a house turning on all the lights, although it might happen organically as wastrels move through the various rooms. The fact that most Americans claim to turn out the lights when not using them would imply this, but I can’t prove it.
Your guess that it’s filmmaker shorthand for “people get home” is probably right on the money, yeah.
By the way, here’s the USDOE on how to make your home lighting more efficient: http://www.eere.energy.gov/erec/factsheets/eelight.html . To you ‘keep the lights on’ folks, I’ll just reply, ‘thirty-seven billion dollars a year’.