Deciding to add decor around your television stand is absolutely normal. But the point of having a television is to watch it. In order to watch television, you need to see it. In order to see the television, the screen must be fully visible.
So the idea of putting decor in front of your TV is a bit of a headscratcher. Of course, one can argue that you can still see a majority of the screen, but why would one want to have missing elements of the full picture? Perhaps mom could just push those items a little further along the side.