Two things here.
First, don't get your hopes up for reform of the Electoral College, not until a fire-breathing Republican wins the popular vote and loses in the Electoral College. Second, don't talk about "Our democracy" in the same paragraph in writing or within five minutes in talking about the Electoral College.
The US of A is not a democracy. We're a federal republic with occasional democratic aspirations and a history of increasing democracy — but we were designed as a "mixt constitution," with democracy only a part. Over simplifying a lot (and to hell with it; I'm a retired English teacher, not a historian), to oversimplify a lot, the grand design has the House of Representatives for representative democracy; the original Senate, with senators selected by state legislatures as federalist and aristocratic — way more aristocratic nowadays, as in rich, than even some of the planter elite could've dreamed — and the Presidency as mildly, constitutionally, monarchical.
And the goddamn White trash rabble were to be kept away from selecting the president (to say nothing of those even lower than poor White men in the divinely-ordered Great Chain of Being and the really-convenient-for-the-well-born, food chain of politics).
Against some pretty tough competition — I'm looking at you, original-version of the Senate — the Electoral College may be the most openly un- or even antidemocratic part of the Constitution. (The parts on slavery and women work more indirectly [the "s-words" slave or slavery don't appear in the original Constitution] or through silence.)
As it evolved, and since 1913 and the 17th Amendment and the popular election of senators, the Electoral College has been pretty much undemocratic in the same way the Senate is undemocratic and gerrymandering — not explicitly mandated by the Constitution but traditional — like gerrymandering is undemocratic. The rule can be "One person, one vote," but that doesn't means that everyone's vote counts the same.
E.g., my vote hasn't been as important as some except for the time I was in Ohio when it first became "a swing state" and we got what we'd grumbled we hadn't gotten: respect and the attention of candidates. Place here your favorite version of the advice to be careful what you wish for.
I live in ungerrymandered California, and in an area where we have some hotly contested state and local races. Ventura County, though, went for Hillary Clinton 54.01% to Donald Trump's 38.25%, which came out to 143,095 votes to 101,351. We're both urban and rural in Ventura County, and I live in a port town of 22,399, but the county churned out 264,965 votes in the 2016 presidential election, against, say, the 255,791 votes I add up for the three electoral votes from the State of Wyoming.
You see where this analysis is going, and I will "leave as an exercise for the student" to work out what part of 55 electoral votes for Hillary Clinton we got in California for the 5,481,885 people who voted for her, as opposed to the 3 electoral votes representing the 174,248 people in Wyoming who voted for Donald Trump. (Use a calculator and, if you know how to do it, scientific notation.)
Nowadays, we have pledged electors who almost never vote other than they've been instructed to by the laws of their states, so the undemocratic part here is in the numbers and the feeling that having some votes are worth more than others — way more between Wyoming and California — is undemocratic. It doesn't prove the Electoral College system is a bad idea.
Arguably, the system ensures that Wyoming will get some attention, and candidates won't spend all their time in large centers of population. And anything that gets candidates out of the NYC-DC axis and into small towns and rural areas is good. Indeed, it would be a contribution by the Trump campaign to America if it demonstrated that the Electoral College can be gamed against the popular vote precisely by getting out into the rural counties and getting enough "more-equal-than-thou" votes to outweigh New York and California and Illinois.
Except there will still be too much concentration on the "swing areas" and gaming the system, and too little serious discussion spread over way, way too much time.
Arguments can be made for the Elector College, but in updated forms of defense of the College as it was intended to be: a check on democracy, at least "democracy" as defined as "one person, one (equal) vote." Just please spare us the Jeffersonian-Jacksonian B.S. of the purity of solid yeoman farmers and the wisdom of simple country folk. People are people. All of us act dumb some of the time, and some of us are just stupid most of the time. So it's arguable that democracy needs its limits, and liberal democracy demands limits to prevent "the tyranny of the majority." Those limits on democracy, though, are part of "Our republic"; don't get ingenious and insist on limits on democracy "central to our democracy."