I disagree that it break social norms. If I am agreeing to something, I want to know what I am agreeing to. If I get treated like I am "difficult", I would say you should be shopping around for a different pediatrician.
I don't think it's a relevant concept here, because even if the rest of the patients don't read the HIPAA documents, they also don't care whether you read them. The staff don't care either, even if they have to do a little extra work so you can.
Shouting loudly in the waiting room would be a good example of violating a social norm--people generally expect each other to speak normally/quietly in a medical office.