Chris Bishop said the party "rightly" couldn't announce new policies amid the "deaths and destruction" of Cyclone Gabrielle.
"You change the prime minister, change the leader of a major political party, there's automatically a kind of people say: 'Well, rightio, let's have a look at this. "I think we're early days in the election campaign. "Opposition leader is a tough job - there's no doubt about it. If we'd come out with a whole bunch of policy announcements, people would say, why are you not focusing on the cyclone? That meant neither party had the numbers to govern alone. "It was a totally unwinnable situation for us.