I never saw the point in a web OS. I have to have an operating system, with a browser, to get to my operating system? With all the plugins I have in Firefox to

I never saw the point in a web OS. I have to have an operating system, with a browser, to get to my operating system? With all the plugins I have in Firefox to get everything to my liking, my browser's almost an OS in it's own right, so adding in Cloudo would be some unholy trifecta of OSes. Just... why?