The electoral college doesn’t give equal representation to all voters as Smaller states have more influence per vote and vioetrs in swing states have more influence
The vagueness of the constitution allows the executive and the legislature to make laws which haven’t been consented on by the public. this cna be through executive powers
The constitution doesn’t account for other actors that may influence the decision-making process, such as lobbyists, and doesn’t account for the difficulties of campaign finance.
The amendment process means that a small group of states can block the will of a majority of states.