If someone came on this forum, or went on a forum you were running, and started spamvertising for another servicewith a commitment not to quit, should we try fruitlessly social-working them out of here, or just boot them?Yes.. but the question is not why He did it. The question is should he have turned the other cheek, or perhaps approached this another way? He could have performed a few miracles and based on that authority (Supernatural powers given to Him by God) demanded that they no do this.
We've got all the resources we need here to convince them that it's wrong, but I'm sure you'll understand why we'd boot instead of wasting so much effort for nothing.
Remember that quite a few firsthand witnesses of all Christs Miracles still didn't believe Him.