The admission by Prime Minister Jacinda Ardern on Newstalk ZB on Tuesday that she was more inclined to believe the young people who have made complaints to the party about sexual assault than her own party officials was incredible.
What is entirely believable is that Monday was the first time Ardern had read a first-hand account of a young woman describing in graphic detail an ordeal she said she went through at the home of a Labour staffer in February 2018.
Until Monday, most of the public reports had been somewhat blunted by being second or third hand and most of it had been about the flawed process that the party called an investigation.
With at least seven complainants, some of whom are talking to National Party deputy leader Paula Bennett and the media, the Prime Minister and her office lost control of the issue some time ago.
By Wednesday, the need for a resignation must have been clear to Ardern's advisers even if it was not to Haworth.
An open letter by the complainants pleading for Haworth's resignation and Ardern's intervention will have had an impact.
It forced her to do what she should have done long ago – demand to see the actual allegations that had been being made to the party.
The resignation of the president today rather than in four weeks' time, and the apology by Ardern, will not give the Prime Minister and her office control.
But it should begin to restore faith in her by the young Labour members. She would not give a fig about the condemnation of National but the open letter will have stung her.
National is on the case which is unusual in these types of issues. Normally Labour and National do not take advantage of an internal scandal in the other's party, knowing that it will almost certainly be their turn next.
For example it was New Zealand First, not Labour, which rubbed salt into National's wounds over the Jami-Lee Ross scandal.
But the fact that young Labour members went to Paula Bennett meant the old rules do not apply.
Bennett doubled down on Wednesday, alleging in Parliament that Ardern's most trusted advisers and Finance Minister Grant Robertson knew a lot more about the allegations than has been admitted.
They and Finance Minister Grant Robertson will be the new targets in this running wound.