That doesn't always work though, since citizens aren't given a vote on every policy issue[0]. Also, in the UK at the moment we have had a long stream of unelected governments, which make policy that isn't in the last manifesto that had a vote.
[0]: I'm not saying they should be, since that's what political representatives are for.
[0]: I'm not saying they should be, since that's what political representatives are for.