Iranian government officials have repeatedly stated that their goal is to wipe Israel off the face of the earth. Even if you don't believe them, their nuclear w

Iranian government officials have repeatedly stated that their goal is to wipe Israel off the face of the earth. Even if you don't believe them, their nuclear weapons could end up in the hands of terrorists who do have that goal. If you support the US allowing Iranian nuclear scientists to return to Iran, you are supporting that policy. As a side note, an advanced Iranian nuclear state would likely entail a massive war in the Middle East to stop them, so there's also that.