The problem here isn't necessarily the Maccabi fans, that should, with the right level of policing & restrictions on movements be something they could control.
it's the potential for thousands of far right pro-Israeli and pro-Palistinian to use this game as an opportunity to clash in the streets around Aston. Some of whom will be intent on getting at the Maccabi fans.
I've seen or read some absolute nonsense today, ranging from why doesn't Prince William intervene to questioning whether we should now be allowed to host European tournament games in 2028.