It is normal not to mention your opponent’s name. Standard operating procedure.
He manages to speak Trump's name when he wants to complain about him, or denigrate him: "Trump is high risk, low reward," "Trump will declare Iowa Caucuses Stolen if he loses." DeSantis on Trump’s 2020 claims: ‘Of course he lost’. DeSantis warns voters that Trump will ‘sell you out’, etc.
Fat Chris has no problem mentioning Trump’s name. Vivek doesn’t have that problem either.
Nothing normal about Ron.