https://www.koolaid.com/ shows children's products that is a fun mixture of many items. There are also links that share recipes using these terms like https://www.food.com/recipe/absolutely-perfect-kool-aid-3338...

Also as History would have it, this was first coined perhaps in Nebraska, for commercial purpose as put in the article https://history.nebraska.gov/publications/kool-aid.

I think there are many such terms in English that has polar opposite meanings/cannotations/usages. "Swasthik" is supposedly a very pious symbol for the Hindus. Incidentally, the Nazis used a similar or closely resembling symbol but had never called it Swastik/Swastika. And yet the cunning colonial British popularized that as Swastik and the world continues to refer to it so instead of calling it merely Nazi symbol.