When attempting to list all Employees in 1IM's sync editor's Target System Browser the contingent workers do not appear in the list.
However when the querying the SuccessFactors API directly and can these users returned on the API.
Because OIM sees them as being deleted in the target system it proceeds to run our deprovisioning process internally, which results in the user accounts being deleted.
Root cause provided by Development:
Development has acknowledged that this is a bug and tagged under ID "268675" and has been deployed.