And Rob isn't alone. Every rock fan has a controversial opinion on the genre they love, whether they want to share it with the world or not. When we asked for your thoughts, we were inundated with thousands of comments, the vast majority of which were defending Nickelback. Some, on the other hand, took it as an excuse to call virtually every band under the sun "boring", "not as good as they used to be" or just "shit".
Bad Wolves' Doc Coyle took it as an opportunity to split Guns N' Roses fans down the middle, by stating: "Use Your Illusion albums collectively are better than Appetite For Destruction."
This spicy nugget is just one of many controversial rock music opinions out there. And here, we've collected some of the hottest takes on rock music. How many do you secretly agree with?