Lakers versus Celtics gave you the playoffs which you could wipe out in a lazy afternoon. But with games like Baseball Stars and Tecmo Super Bowl you had the option to play a season so you could spend the entire summer inside if you wanted. It also gave your gaming some context even if it was way too short (NFL) or way too long (MLB). Furthermore, it helps explain how so many people fell in love with a game that looked like (up top) that.