LOL...You said. Sorry, you know better. Cite that person.
Florida. DNC Chair cancels the primary, only Joe allowed on the ballot...

Chair Nikki Fried defends Democratic Party's move to cancel primary; DeSantis ridiculed the move • Florida Phoenix
Florida Democratic Party Chair Nikki Fried on Wednesday defended the party’s decision to place only President Joe Biden on the ballot, which meant Democrats didn’t have a presidential primary election in the state. Gov. Ron DeSantis mocked the move, saying it tanked the party’s turnout in local...

Anyway...
The DNC also just didn't bother holding debates, even when he had opponents, because they did not support him having opponents...
Your selection of Joe Biden does not fall within what you described as a Primary, and you sat silently by because you wanted the result to be what it was. I get that. Be silent if they are breaking the rules in your favor, no skin off your nose.
Personally I would never be silent for that... but you do you, man.