If you take the time to read the article you might see that it is constitutional and that it is a great way to limit the impact of vote fraud.
If they want to change it, they’re free to do so, but the original intent of the Electoral College was to ensure that “mob rule” and a simple majority didn’t install a president. Tinkering with this system means we creep away from “We the People” and more towards a socialist democracy where 51% means a win.