That doesn't require anything nefarious. The parties can and do change their platforms and candidates to adapt to the electorate. If a party starts finding a wa

That doesn't require anything nefarious. The parties can and do change their platforms and candidates to adapt to the electorate. If a party starts finding a way to win more votes, the other party will adjust to win them back. It's like how prices at different gas stations tend to be within a few percent of each other. It's not conspiracy, just competition.