wrong.
With an election that's decided on total popular vote regardless of where those voters live, no one living in Wyoming or forty other states would ever see a presidential candidate in the flesh. And what those voters need or care about would similarly not matter to the candidates. So, it wouldn't be just Wyoming (the go-to example that's always used) that would be effectively disenfranchised.
All that the candidate would need to do is hit the handful of states with the biggest populations (and be on their TV channels). Practically speaking, most of America would not be involved in the choice of the president