Peakon glassdoor reviews on the other hand are the worst. How a company in HR industry can have such review and still offer such weak explanations for employee

Peakon glassdoor reviews on the other hand are the worst. How a company in HR industry can have such review and still offer such weak explanations for employee engagement across different industries, at the same time be compliant to GDPR (i.e.: not have any insight from the data but highly aggregated stats?)