Voting for general election losers in primaries routinely happens in all States having open primaries (in which a voter can vote in any one party's primaries or for any partisan primary office, compounded by plurality nominations in such primaries). Namely, many voters of the dominant party vote for extremists/ lunatics in the primary of the second party. A very large part of EM postings are about election methods that abolish primary elections-- proportional representation methods for electing legislative bodies and single (or N) winner methods for electing single (or N) executive and judicial officers.
