The US Electoral College guarantees a president with legitimate majority support and a broad base.
Without the US Electoral College, would the major parties just compete for different urban areas?
The US system is a federation of states. It is right that state-by-state majorities elect the president.
Election Security: Paper Ballots and Audits are the most widely discussed idea in election security, but it really does very little for cybersecurity. Humans can use paper ballots to do an audit that will detect – and correct – vote-counting equipment problems that otherwise would have the worst possible effect: a “winner” that did not actually get the most votes.