Earmarks do not strengthen the democratic process. When people in Congress earmark spending, they are ruining what the democratic system is supposed to be about. They are ruining the chances of people in smaller and lesser wealthy parts of the country to get government money while they take all of it and use it for pet projects.
Earmarks have been used by members of Congress for many years as a way of obtaining perks for their congressional districts. While in some cases they have provided much needed improvements, the potential for pork-barrel spending outweighs the benefit. In too many instances, earmarks have been used merely as a gimmick to guarantee re-election.