He lied to the public, repeatedly, in a very obvious way. He was also in that segment being fed softball questions by Aaron Bell, Conservative MP which were probably arranged in advance.
I therefore don't in any way trust his self-assessment of his own department's work and the 'vaccine task force' he set up, which incidentally hired some of his associates, who were paid very well, for example the PR firm:
https://www.ft.com/content/6159d5b7-171c-49ed-b318-144efcc4c...
A director of the public relations firm paid £670,000 to advise the head of the UK government's coronavirus vaccine task force is a longstanding business associate of Dominic Cummings.