The downvote button is not the "I disagree" button. It's a "this is irrelevant or destructive to the conversation" button. "I get what you're saying but I disagree" to me indicates you don't think my comment was either.
If the question was phrased as "Is the German national team diverse enough?" - which asks for the same opinion - would that be somehow better?
This type of finger-in-ear nonsense is the type of behaviour that leads to Germans supporting a genocide in 2024 and AfD's success being a surprise.