I question the validity of that video. It seems like farce to me.

To my unprofessional eye, it seemed genuine. You saw the student tents etc. so the location 'seemed' genuine. It was a farce, because no one took any notice .. I thought .. what an ijit

Also, how do they know he’s an Israeli military officer?

No idea, I thought that was of secondary importance. Just me.

Perhaps there could be a call for some research to disprove this video? Be my guest and get harnessed into zio hasbara. Only kiddin'