Starmer tells new-look shadow cabinet there can be 'absolutely no complacency'

The transcript discusses the long journey ahead for the Shadow Cabinet, emphasizing the importance of avoiding complacency and the need to earn every vote in the upcoming general election. It highlights the privileged position of forming the next Labour government and stresses that no votes have been cast yet, underscoring the importance of each vote in moving forward.

What does the speaker mean by stating 'not a single vote has been cast'?

What is the importance of earning every single vote according to the speaker?