Because a government represents the interests of the voters or else we get rid of it. The risk is that voters care about other issues more and get policy that t

Because a government represents the interests of the voters or else we get rid of it. The risk is that voters care about other issues more and get policy that they don't agree with in the package. That's always a risk. But if enough voters care about a particular issue then so does government. (Local variations can exist)