Yes Israel has nukes so does america, the UK and France. But none these countries has said he wanted to wipe a country off the map have they? If some guy said they wanted to stab there teacher because they hated them, would you give them a knife? I think not. Iran is a Islamic state, there is nothing peaceful about Islam or Iran.
U.S. says working on initiative to de-escalate Syria fighting, with focus on Aleppo (Reuters)
from the article: Iran: World can't block our atomic program while Israel has nukes