Nothing. It's a bit strange question... 
That is their decision, but if you have bitcoins it's mean that you are smarter, and likely will be richer)
Smarter? I think you're exaggerating! Why smarter? This is just one of the currencies. You probably have delusions of grandeur. With the same success we can say that if you don't have yuan that fool you because they have 20% of the population. That is their decision, but if you have bitcoins it's mean that you are smarter, and likely will be richer)