“I love Steven Wright but as far as him being an influence, I can’t measure that. Let me say this… if I made potato chips, and I decided to pack them in a skinny can, people would say I was like Pringles. But what if I packed them in a bag?”
Is the humor that bagged chips are less creative or unique or "trying" than bagged chips so it's a diss on Steven wright? I don't know about their relationship so may be missing some info. Or is it that everyone is a potato chip in a bag so he's saying there isn't really a difference?
I'm thinking maybe you just don't get the joke. The joke is that cakes hold candles. It's one of those jokes that takes you a second to get and it's funny because you didn't see the connection at first. And that it's absurd. Absurd that a cake could be a replacement for a proper candle holder. It's an excellent joke.