Happiness on your team is trending downwards. What are you, middle manager, going to do about it?! Just kidding, but I've had bosses in the past who would not

Happiness on your team is trending downwards. What are you, middle manager, going to do about it?! Just kidding, but I've had bosses in the past who would notice something like that, and attempt to correct by sending an email out suggesting that folks answer the survey with more happiness.