The unexpectedly calm proceedings at Edinburgh should act as a beacon and a blueprint for future campus events.
Outside there was a ring of steel and noticeable police presence to keep vocal protesters at a safe distance.
Stringent checks, an agreed list of student-only attendees and a mix of university staff and security guards ensured that inside no one dared re-enact the vicious "welcome" extended to Ishmael Khaldi just three weeks earlier.
The procedures put in place by university officials meant Mr Prosor and the students, both pro and anti-Israel, were all able to have their say in a respectful, academic atmosphere.
When a pro-Palestinian student, wearing a keffiyeh, is able to calmly stand up, criticise the Israeli ambassador, and then commend his diplomatic abilities before quietly leaving, then something has clearly worked.
To get more from opinion, click here to sign up for our free Editor's Picks newsletter.