Well, its odd it still isn't the  law as you claim all these people wanted it and Congress voted for it almost 100% isn't it?   In  1969 Nixon was President. What prevented it from becoming the law of the land in 1969?   Trump may have favored a direct vote, but he played by the existing rules and won by those rules. Don't like the rules? Then change them, but don't infer he is not a legitimate President because he didn't play by the rules. He did. Hillary also played by the same rules and lost by those very same  rules.