There are lots of things that man creates that appears not to serve a function.
Still, I don't think I am as connected and savvy to make money at trading bitcoin. Investors like me usually get left holding the bag after the people pumping up different investments sell out with 1000% profits.
Hard to know really because we don't see the real person. For example, Dolph Lundgren doesn't look that smart and works in sub par movies but has a masters in chemical engineering and got a Fulbright scholarship to MIT.
SUV's are nice, esp in bad weather. As I get older, my back and hip gets sore if I have to drive in a car. Longer trips are more comfortable in an SUV. Besides, God put that magic potion inside the earth for us to use, it would be a sin not to.