Good lord the NVPIC is a retard's idea.
Why don't you just end the Electoral College?
I won't deny the fact that it's essentially a loophole in the Constitution, but I don't think it's any more flawed than the current system. Abolishing the Electoral College once and for all requires 290 votes in the House, 67 votes in the Senate, and 38 states. The first two could happen under the right circumstances, but I have a hard time ever seeing 38 states voluntarily abolishing the Electoral College. If the NPVIC is adopted, I could see it basically forcing action on a constitutional amendment.