“Today I want to offer my full support and endorsement for Kamala to be the nominee of our party this year. Democrats — it’s time to come together and beat Trump. Let’s do this,” he added.
They want Kamala to get in via succession, rather than via voting. If she succeeds Biden now, they can just claim that she was effectively the incumbent, come November. If she gets in via votes not as the incumbent, it’s harder for them to claim it was just “handed” to her by the DeepState™.