The Daily Grind: (do you do you) Do you wanna dance?

MMO players must spend almost as much time dancing as they do grinding. Find any cluster of avatars and the odds are that there's at least one person dancing in it. In some worlds, on some servers, it isn't uncommon to see dozens of users dancing the night away.

Whatever actually causes this dance craze and whyever we do it, is it a must-have feature? Would you be happy if your next new shiny MMO didn't let you boogie, or is dancing something you can live without?