There is no substantive difference between Ayalon's behavior and the four indicted soldiers who urinated on the Palestinian. Both instances refect innate Israeli attitude towards real and perceived adversaries who challenge its policies. It is not an infantile behavior because children would not think of doing that. It is an adult sociopathic behavior by people who do not think much of themselves to begin with and find an outlet to their own insecurities and frustrations by humiliating others.
Bin Laden's family killed in private plane crash in England, officials say (AP)
from the article: Ayalon: If Israel is attacked, we'll consider expelling ambassadors