[highwaylights]

1) Don't fill out the survey if you don't want to, and in all likelihood it will be assumed you were too busy or forgot to get to it.

If he chases responses from people that haven't filled out the survey, and you feel like it could hurt your standing to abstain:

2) Fill out the survey with the most egregious wall of brown-nosing that he could possibly want to hear, making sure to talk about how he's clearly the brain of a Stephen Hawking in the body of a Chris Hemsworth. You could also point out how a leader of this caliber only comes along once in a generation and how lucky you are to just be present to witness it.

There are other options, but none that are of no risk to you, and why take that on? It's an odd and suspicious request, but that's encountering other human beings in the workplace.