If you want Biden to win vote for Biden. Jesus fucking Christ.
Gaming primaries is a ~potentially valid~ idea but in what world do you think voting for the other candidate in a winner-takes-all election would help your desired candidate win?
I mean statistically in a state THAT red your there will never be enough blue votes to overcome the stupidity of the rural class, so it may not matter. Still voting for the off brand inside a 2 party system is a very bad habit to encourage. Just vote for Biden.
If that were the case anymore, it would've happened after the 1912 election when Theodore Roosevelt's Progressive party got more votes (27.4%) and electors (88) than the Republican Taft (23.2% of the vote and 8 electors). But it didn't. Things went back to normal after that. That was also the election where the Socialist party gained the most votes (6% of the vote and 0 electors).
The Republicans and Democrats are here to stay until our voting system is overhauled.