Right now, there have been people pushing to eliminate the Electoral College, in fact a Democrat from Memphis, TN actively submitted a Constitutional Amendment to eliminate it. Why are they doing this? It is because Hillary Clinton won the popular vote and lost the Electoral College. They say that the Electoral College is outdated and should be eliminated. They also say that we are a Democracy and the Electoral College flies in the face of that fact. These people are all wrong.
Democracy in Ancient Athens actually became "Mob-rule" where the majority won every single argument and the minority were shouted down and shut out of having a say. The entire US government (A Representative Republic) actually goes out of the way to give the minority a say even when the majority is powerful. Let's take a central rule of the Senate, the filibuster, and examine it briefly. The Senate until recently had the vast majority of arguments subjected to the filibuster, which requires 60 members to stop in order to vote on a proposal or an appointment. This rule was to prevent the majority from running roughshod over the minority. In November of 2013, the Senate actually voted to change the rule to prevent any filibuster on nominations unless it was a Supreme Court nomination. This is called the "nuclear option", now Democrats want to be allowed to actually filibuster Trump's nominees. Is this Democracy? No, but because the Democrats changed the rule to allow a simple majority instead of minority say in the confirmation process, they are complaining about it.
Now, back to the Electoral College. The entire design of the Electoral College is the same as the filibuster rule, it is meant to prevent a simple majority from getting the candidate they want. This means that not only do candidates have to campaign in big cities like New York City, Los Angeles, Chicago, Philadelphia, and Dallas; they have to campaign in Wyoming, Wisconsin, Michigan, and throughout the Mid-West. But, the kicker for the Electoral College is that in all but TWO States, the majority of that State determines the winner of that State's Electoral votes. The two States that don't have a "Winner-take-all" system are Nebraska and Maine. Both these States use the Congressional District system, where there are two "winner-take-all" Electoral votes and the rest are assigned to Congressional Districts. This year is actually the first where one candidate did not win all of Maine's Electoral votes, Hillary won 3 Electoral votes while Trump got the 4th one. If you look at the county map (click on the county map icon in the link), there are a huge amount of counties that voted for Donald Trump, while only a few mostly scattered counties voted for Hillary. So, those asking for a straight popular vote want to make sure that only the cities get the candidate of their choice and the rest of the people are frozen out of the process.
The President represents the country to the rest of the world, commands our military, and makes sure that our laws are being followed. The House of Representatives and Senate, which makes the laws are both elected by popular vote. The Representatives have the winner of each individual District taking over that District's seat. The Senate, since the ratification of the 17th Amendment, have had each State electing both of their Senators by popular vote. Since that time period, the rules of the Senate have been changed allowing for more and more majority rule and less and less minority input. Why should the President be elected by Popular Vote, IF you are a person who wants to hear what the minority has to say and propose? If every Representative, every Senator, and the President be elected by straight popular vote, the Checks and Balances written into the Constitution will be slowly eliminated to the point where the majority can just prevent the minority from having any say. It is already happening with the way the Senate has been run since the 1970s, by the weakening of the filibuster rule. So, when YOU are in the minority, don't YOU want to have a say in government outside of your vote? Get rid of the Electoral College and the mob mentality will rule the nation and we will end up having anarchy.