Is it too late for Rishi Sunak to revive the fortunes of the Conservatives in the UK elections?

A top political guru has opined that it is too late for Prime Minister Rishi Sunak to revive the fortunes of the conservatives in the coming elections. UK will vote on July 4 to select its new PM. He has highlighted the mistakes committed by Sunak and his party which may lead to their downfall in the upcoming elections.