Is this new? My grandparents spent a ton of time in front of the tv, most of the day probably. By the time some of them were near 90 they couldn't do much more

Is this new? My grandparents spent a ton of time in front of the tv, most of the day probably. By the time some of them were near 90 they couldn't do much more anyway, but I think it started decades before that, especially in winter time after they were retired