Well, think about it: the dwarfs always seem to greatly value their workers and craftsmen; their smiths, miners and (naturally) brewers are always considered very important to them.  So I figured with a little nudging, making them left wing and pro-working class (amongst other things) might work pretty well.

[i]Probably[/i] closer to the likes of Marx and Lenin than, say, Stalin, but I dunno.  Hmmm.  Just a random suggestion, like I said.