The living room is basically the room that gets the most exposure for all of your guests. Think of it as that this room is to your home's interior what a front porch is to your home's exterior - a first impression...
Of course, no one wants to have a messy, visually contrast living room.
This is why every year I get dozens of requests, for redesigning this particular part of people's houses.
Also, it is important to keep in mind, that with such an importance (and the overall median size), redesigning your living room's interior will cost you the most.