An additional problem is trust. With any RCV method, you win because math says so. In a normal election you count. It's basically 100% guaranteed that someone

An additional problem is trust. With any RCV method, you win because math says so. In a normal election you count. It's basically 100% guaranteed that someone who won most first choices but lost the election will try to delegitimize the election with stupid populism. The first and most important job of an election is to ensure peaceful transfer of power. My favorite alternate system is approval voting. Vote any number of candidates rather than just one. Most votes wins. 5 seconds and no nerd required.