Smart companies do a survey, but 'interpret' the results the way that suits them.
Employee Satisfaction Skyrockets by 0.12
"Employee satisfaction fell 0.34, but removing employees from the division which we made redundant, rose 0.12."
Increased Management Value (Useless Management Level Renamed)
"Employees said that XYZ managers did not understand them, and developed destructive policies. We have moved XYZ managers to a new group: XYZ business leaders."