The Electoral College had nothing to do with protecting slave owners. You are showing your SJW bias. It was a compromise, like the House and Senate, to get the smaller states on board, because they were rightly afraid that a pure popular vote system would leave them under the thumb of the larger states…which is exactly what it would do today, too.
Abolishing the Electoral College would leave most of the country as nothing more than colonial subjects of California and New York. You may think that’s just peachy fuzzy, but those of us here in flyover country would have quite a different opinion.
We will be ignored no longer.