The move comes as New Zealand is contending with a potential resurgence of Covid-19 in the community, after a 56-year-old woman who left managed isolation after two negative tests later tested positive.
Seymour said the woman should be praised for doing the right thing, as her assiduous use of the Covid Tracer App meant we could avoid a potential lockdown.
"If she hadn't been a 'super scanner', we wouldn't know these 30 locations. She could have spread it at those locations and we would be facing a full blown outbreak with absolutely no hope."
Listen below:
He suggested that Covid Response Minister Chris Hipkins seemed to be running the country - and asked where the Prime Minister was.
"Can you remember who the Prime Minister is? Janet Askew, was it? I remember she was around last year but she seems to have disappeared."
Mackay told Seymour he was been cynical, but Seymour said people were looking for her - and pushed back against suggestions she deserved a break.
"She's been out for about eight weeks."
Also in today's interview: Seymour weighed in on his Woman's Day cover piece about looking for love.