Why is IPhone Siri funnier than iPad Siri?

I have an iPad mini. Siri is so boring on mine. She just says, "I can't answer that." Or "is that so?". On my friends iPhone, she replies really funny. Also on the Internet I see funny convos with Siri all from iPhone and not on iPad mini. Why is it that siri is funnier on iPhone? They are both part of apple!

They may have "dumbed" it down for the mini so they could focus on other features.

She watches comedy central more often. And she smokes weed from time to time.