Giving her the benefit of the doubt that she isn’t a Russian agent, if she doesn’t understand how the Electoral College works, then it makes sense she doesn’t see herself as a spoiler and a waste of a vote. Clearly in the past 20ish years, she must have come across FiveThirtyEight and, so even a guess of 538 would be somewhat reasonable. 600 just shows lack of reasoning skills and/or knowledge of how the electoral college is made up.