If they're all the employee's personal data, then the employee has a right to a copy. So companies can't legally keep this kind of thing secret anymore -- you'

If they're all the employee's personal data, then the employee has a right to a copy. So companies can't legally keep this kind of thing secret anymore -- you're entitled to know what interviewers said about you to management before you weren't hired for a job, what your coworkers said about you that factored into your performance review, email threads about their side of your salary negotiation, etc?