They are just the language of the year, this year it will probably be all about go and node.js and maybe next year it will be about Steve's Language and ASP. M

They are just the language of the year, this year it will probably be all about go and node.js and maybe next year it will be about Steve's Language and ASP. Moral of the story is, it's just whats in season this year. Some people will argue better languages, but really there are problems with all of them.