The problem with this line of thought is that it was created in 1960s. Back then there was not much entertainment to choose from, was essentially watch football at home, go to pub or go with mates to local matches. It worked back then well enough.Not sure for the last few seasons or so, but I know a couple of years ago United had the fewest 3 pm kick-off out of any team in the league. Presumably, that would change if they were televised.
I've posted in this thread earlier, and ultimately I would get rid of it as I think it's outdated and I question how much it would actually hurt the lower league clubs. With zero evidence to show for it, obviously, none of us know. But I'm not exactly mad that it still exists. There's still plenty of football on TV to satisfy anyone's needs, and I can always get a stream of it anyway. Which I guess would make me a criminal in your eyes!
Right now there is so much competition. Netflix et al., PlayStation/XBox, Youtube, Social Media and other forms of digital entertainment. So this rule all it does is either force people to do streaming (which is easy and high quality) or consume other entertainment instead of football. Most of kids are not simply gonna watch at the ground some awful football just cause their grandparents did so back then, when it is easier than ever to consume high quality entertainment. It is widely known than young generations are consuming less and less football compared to before, and these Stone Age policies just further encourage them to consume less football.
Again, it should be a matter of choice. Want to watch pub-level football live? Be my guest. Want to watch your favorite team in TV? Sure. Don’t want either but want to do something else? Why not.