How can one political system or another provide anyone with 'meaning' in their lives? Life has no inherent meaning (does this make me a nihilist? existentialist? post-modernist? I'd happily settle for 'H.P.Lovecraft fan', minus the unfortunate racism...), it has whatever meaning you choose to give it.
This is what makes you a postmodernist. Meaning is a consumer choice: pick Lovecraft, or the Fall, or the Democratic party, there's your meaning, gained in the transaction. I'm interested in conceiving of a subjectivity not exclusively defined by preferences for consumer choices (authors, bands, political parties).... Something more like a subjectivity based on political action, a feeling, not only of control over one's life, but participation in the direction of society. The political system doesn't bestow meaning upon us like a holy anointment, but it could offer us the potential for meaningful action which could provide meaning (and if you'd rather hole up with Lovecraft for the rest of your life, so be it).
Right now, no one, not even majorities of the citizenry, could keep the UK or the US out of war, or get them to stop once "it all went wrong." How is this democratic in any meaningful sense?