It was inevitable that the policy changes introduced by both Sinn Féin and the DUP in the run-up to the devolution deal would cause at least a degree of political upheaval.
A number of Sinn Féin members previously decided that they were not ready to endorse new policing structures, while there have been rumblings within the DUP for some time over the power-sharing issue.
However, in the immediate aftermath of Monday's announcement at Stormont, only one prominent DUP figure, Jim Allister, a member of the European Parliament, decided to resign from the party.
Mr Allister was frank about the reasons behind his departure yesterday (Tuesday), although, with no obvious power base in the DUP, his options were very limited.
After signing the Good Friday Agreement in 1998, David Trimble repeatedly found that the chaotic structures of the Ulster Unionist Party played into the hands of his internal opponents.
The evidence is that Ian Paisley has no intention of allowing history to repeat itself when – barring a U-turn of astonishing proportions – he succeeds Mr Trimble as first minister on May 8.