Let's just assume that the Dems know they will not be able to cheat enough to win this November. That speech was not designed to help them win. It was a setup for 2024
If that is true we can expect MAGA to have a great election night.
In 2024 the Dems will face MAGA with many already in office. I suspect they will find a "Moderate" candidate that can unite the country to end the extreme MAGA . The Dems could claim that some in the party were too extreme for America (the Biden speech) and that is why they lost.
That moderate will be Hillary
I'm thinking DeSantis