I see the logic but still have to dissent. The needs of labor are sometimes at odds with the needs of any given community or the nation as a whole. Pork-barrel spending is a thing, and it has a negative connotation because it's not necessarily good for everyone, even if it can be good for labor. So, some politicians are elected to prevent it, to varying degrees. This is the (a?) way in which the government is not a labor union, even at the conceptual level.