Penny Mordaunt launches leadership bid: I am the candidate Labour fear the most

The speaker emphasizes the importance of winning the next general election to realize the opportunities envisioned after leaving the European Union. They position themselves as the best candidate to achieve this, highlighting their strengths and the fear they instill in the opposition.

Why does the speaker believe they are the best candidate for winning the election?

What does the speaker imply about the Labour party's perception of them?