1.) The "it is the same people" thing is your guess, something you want to be true. It is not something born of facts. There are people who play games 30 hours a week ... and then there are people who never play them. And this is the most important point here.

2.) Specifically with Netflix, people watch Netflix while doing other things or when when they are already tired. I turn on tv or listen podcasts when cooking or cleaning or am doing other boring activities. Or when watching small children.

3.) For many people, these are evening activities and activities they use to relax - when they are actually tired. When I watch netflix or turn on game, typically it is in the evening when I am tired. I cant code, I cant read something educational or difficult, my brain is tired.

4.) There are some people who spend a lot of time on Netflix who also say they dont have time. These people pretty often are trying to say polite "no" to whatever you want them. They are trying to reject you without making you feel bad.