There's no mention of the minister in the article you linked?
Ben-Gvir is a right-wing populist dipshit who's unfortunately part of the government, but nothing will ever come of it. If anything, I blame the club for not telling the foreign players in advance what the banner is about. "Bring them home now" is as uncontroversial as a statement in this time can be, I doubt anybody would have objected to endorsing it.
Demanding the release of civilian hostages is fascist propaganda now? Come on. The release of hostages is as unpolitical as it gets. Be better.