Again, let‘s assume you are right, and Bitcoin is in fact 100% useful for doing X! Are you happy? Sure you are, since being useful for X made the price soar!

Again, let‘s assume you are right, and Bitcoin is in fact 100% useful for doing X! Are you happy? Sure you are, since being useful for X made the price soar! ... Now let‘s pretend it wasn‘t Bitcoin, but some other cryptocoin that actually became the world's standard for X. Are you still excited? If not, you don't actually care about cryptocurrencies in general but want to make a quick buck with Bitcoin in particular. This is the point I am trying to make.