Well done for highlighting the issue.
There is always a reluctance of humans to report things that are “not right”, and lots of my research has been about getting people to report incidents (accidents, near misses, security concerns). If things are not reported all that lovely data (evidence) that could be used for change is not available. No data = No appropriate change.
The biggest barrier to reporting is feedback, and what our – oh dear – many, many studies show is that unless the feedback is immediate, appropriate, and the input appears valued, then people don’t report. Part of