When quizzed on the survey, Nagelsmann responded by saying: "I think the question itself is crazy that we are asking such a question on public television. I was shocked.
"We are playing a European Championship for everyone in the country. I hope I never have to read about such crappy surveys again."
Nagelsmann wasn't alone in criticising the survey, with Bayern Munich ace Joshua Kimmich saying: "It wasn't even a topic within the team.
"But of course, I was told beforehand that there was such a survey. Anyone who grew up in football knows that it is absolute nonsense."
He later added: "When you consider that we are now facing a home European Championship, it is absurd to ask such a question when the aim is actually to unite the whole country.
"Something like that from ARD was, I think, absolutely counterproductive. It has no place at all. Now it is just about achieving great things together. We as a team are trying everything we can to get everyone in Germany behind us."
It's the latest in a long line of chaotic off-field issues surrounding Germany's build-up to Euro 2024, with the country's kit release having caused controversy.
Fans were left outraged after it was announced Germany's long-standing partnership with Adidas would be cancelled following the 2026 World Cup.
Adidas and Germany had become synonymous with each other across their seven-decade-long partnership, but Nike will take over the reins from 2027 onwards.
On the pitch, Nagelsmann will be hoping for a much more enjoyable tournament in charge of Germany.
His side are one of the favourites to go all the way, with the hosts kicking the competition off on June 14 against Scotland in Munich.
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