As Samsung releases a steady stream of larger and larger phones, and Samsung ads are proving brutally effective, and Business Insider's own editor-in-chief can't stop tweeting about the unstoppability of giant phones, I feel compelled to defend my iPhone. After all, Apple itself stays pretty quiet in this debate. (Although Apple CEO Tim Cook commented on it in a recent earnings call: "We put a lot of thought into screen sizes and we think we picked the right one."] Samsung's giant phablets and phones remind me of sports utility vehicles.