"Plenty of strikers can score goals," he said, gesturing to the famous old stands casting shadows around us.
"But a lot have found it difficult wearing the number 9 shirt for The Arsenal."
Not knowing what the specific issue is that you are referring to, I'm guessing you could rephrase what you posted as 'they have expressed concern that an EU member state is proposing something that is inconsistent with the state's EU membership'.
And they have every right to do that, as I said, if you want to be in the club. I notice the EU expressing concern about the threat to democracy in Turkey and the impact that would have on their attempt to join the EU. I don't hear many criticising them for that 'interference'.