And that's important, right? No matter who you are, it's always good to have somebody to look down on. (As low as you are, there are always Scousers) Otherwise what imperative is there to better yourself?
People are easily led; that's how the economy works. As daft an idea as you can dream up can nevertheless become the big fad of the day, create employment for a time, make a few people very rich, entice a lot more to have a punt and a few to lose a packet. But for a while everybody looks posilutely ridonculous and a jolly good laugh is had by all.
Some wacky old crazes such as pogo sticks, spring heels and clackers were mostly just a way of causing character-building injury and embarrassment to kids, which is always hilarious and valuable lessons were learned.