Soccer Moms - I like the name but you,,

I was reading the content on your website and came across a commentary by Brooke as follows:

"It's time for moms to shed the label of "soccer mom" and to take a more active role in shaping their children's sports experiences."

Being an experienced and battle-tested soccer mom of two happy well-balanced collegiate student-athletes, I am confused as to the negative tone you imply to the label "soccer mom".
Can you elaborate for me why you consider "soccer moms" as a detrimental reference in general?
Perhaps I am an aberration of the norm, but I have had a fantastic positive journey in my life as a "soccer mom"!

I would really appreciate your clarification. Thanks!