Stereotypical characters was a nightmare. It encouraged the wrong type of behavior. It presented the Fonz as a standard of behavior for both girls and boys which was unrealistic.
Commercialism is a criticism. It means that we are in competition with our neighbors to see who has the largest yacht. That's not a very good competition.
Nobody lived like the Fonz.
Though it might not be a virtue now, it certainly is not a bad thing to portray. The answer should be the last one.
I don't think searching into expensive medical can be positive. As we can tell, not everyone can offers them. On the other hand it would be helpful to try and find out more about the medicine to make sure its worth the money.