because the radical racist arabs can't stand the fact that such a little country is able to defend itself from genocidal Jihad.
It's only able because it's America's weapons tester, anything the US wants testing out, they'll give it to Israel. Also, no president has been elected without promising to maintain relations with Israel due to the amount of jews in the US who support this idea.
most american jews are liberals and noit hawkish zionists. but, yes, the UN, EU, and most worldwide organoizations are all hijacked by the internatioan OIL ARAB lobby.