Well, if Linda 'getting what she wanted' constitutes simply her retaining an essentially positive relationship with her daughter, then I guess you are right. I took the general arc of the episode to be Linda being disabused of the notion that Tina connecting with a peer constituted any kind of real threat to their…

Except that isn't quite what happened. The family helped Linda get the request to the karate-astronaut lady, but they didn't encourage Linda to grab the mic; it was the latter action that caused embarrassment, and the family did not sign up for that. Furthermore, Linda's behavior is not validated at the end, just…

Flintstones beat out Frisky Dingo?