I also want to point out that he played turn 4 right away after host went off. And coming back to the behavior, well thats a personal preference... some people act different than others.
Of course your vigilantism is appreciated, but I would say let it slide for now.
__________________
"Mikään ei voita reipasta sotilaallista meininkiä, paitsi vieläkin reippaampi sotilaallinen meininki."