Also consider that the people in Iran are living in a dictatorship, which strongly limits their freedom of speech. Still for every Israeli love-message there was an iranian response.

This is the reality. the reality is not what politicians make up, like what you can read in the following article by the Christian Science Monitor:

http://www.csmonitor.com/World/Middle-East/2011/1108/Imminent-Iran-nuclear-threat-A-timeline-of-warnings-since-1979/Israel-paints-Iran-as-Enemy-No.-1-1992