Most likely, the reason you were sent this survey is because the organization has already decided on its priorities, and was looking to evaluate its success at acheiving them, not questioning them.
The HR department at my previous employment sent out a similar survey last year, with the intention to identify, and remove troublesome individuals during a period of downsizing.
Needless to say it was quite effective.
"Here is a metric about diversity, and everyone keeps talking about how great it is, and look -- we're so much better about it! Promotion plz."