Much of the British Steampunk community, the Scooter Rally and Vintage scene and a lot of British Re-enactment groups would find it almost impossible to function without it now.
I was dragged kicking and screaming to it a few years ago but I'm bloody glad I was, it's indispensable these days for many of the things I do.
The haters are just as much brainless sheep as the idiots who put their whole life up on it. It's a tool people, you control it, it doesn't control you