You mean entertain 6-14 year olds
Toonami's target audience hence DBZ Kai
I would say that's fairly accurate, but not just for Toonami. Humor in so called "adult" animation (NOT meaning porn here) seems to be catered to what kids and teens would more likely find funnier than adults: Extreme violence, toilet humor, and gratuitous sex. I'm not saying these things are bad, but modern adult cartoon programming seems to be using these three ideas exclusively, with little exceptions (though exceptions are out there, even here on AS, where are lot are guilty of these things).