Let's have the debates, maybe limit the participants, let the voters speak. Then, once we have a nominee, choose to support them or not. The losers really don't matter, the winner doesn't typically need their continued support. In 2016 Trump's win did not depend on, for example, Jeb's endorsement and support.
Paul Ryan. Desantis. Rino. You know.
DeSantis will just lie during the debates. Like he lied about not running for president