Is this statement true about identitylQ ' s syslog event storage?

The statement is false. In SailPoint IdentityIQ, syslog events can indeed be sent to Log4j. The system allows for flexible configuration where logging can be directed to multiple outputs, including both syslog and Log4j. This flexibility enables organizations to route logs according to their needs while maintaining security and compliance.

SailPoint IdentityIQ Logging and Auditing Guide

SailPoint IdentityIQ Administration Guide (Syslog Configuration and Log4j Integration)