PBL, just try again to read and understand the CS 25.1309 paragraph.
(c) Information concerning unsafe system operating conditions must be provided to the crew to enable them to take appropriate corrective action. A warning indication must be provided if immediate corrective action is required. Systems and controls, including indications and annunciations must be designed to minimise crew errors, which could create additional hazards
To help you…
Has the crew been warned about AoA probes failure ? : NO
Is this an anomaly according to CS 25 ? : YES