Then if EU could put the same guys also on the list maybe there would be some effects.
They can hold them in contempt, which leads to arrest warrants. Default judgements can then enable the creditor, in this case Apple, to start seizing assets. But TL; DR no, a judge can't put someone on a terrorist list; that's a national security and thus executive function.
For not replying to an EULA suit? I sure hope not, as much as I'd like to see NSO nailed to the wall.
For example you wouldn't have had to come back to explain the context of your comment if your "I strongly doubt anything will come of this." had ended with "..come of this in discovery."