She mentions King Court, not Kingsville. The team designations she uses are Gold, Silver and Bronze.
The website you posted is Kingsville-Cottam, and they use colors like White, Teal, Red, Grey.
I still think it's a spoof....a hilarious spoof. I can name about twenty parents over the years who probably think just like the blogger.
I really think she's doing a good job, making fun of us!