Which would allow voter fraud in the likes of Philadelphia and Chicago to infect the entire national vote. As it is, they can affect the outcome in only one state. But, if you do away with the Electoral College, they could affect the national outcome.
Moreover, the principle of the Electoral College can be analogized to the World Series. Which team should be declared World Champion: the team that wins four-out-of-seven? Or the team that scores the most runs over seven games?
Good Analogy okie01!