People who think they know what they are talking about when they talk about baseball include the announcers and all of the sports press - no matter how much evidence you present them to the contrary they will continue to think that what they think is right.
The sentimentality of baseball is very deeply rooted in the American baseball fan. It is the one sport that is transmitted from fathers to sons.
The sports world is an echo chamber. All it takes is one quote from a general manager and a thousand sports columns bloom.