There is some basis to the article in the sense that getting the bomb is more about increasing political prowess than about actually using it, but the idea that Ahmadinejad would be worried about killing Palestinians is a totally unfounded. Ahmadinejad is on record as saying that having a third of Iran destroyed, which includes the people of course, would be a fair price to pay for the destruction of Israel, so why would he care more about the Palestinians than his own people? He wouldn't of course.
Obama says world must reach climate deal in Paris 'while we still can' (Reuters)
from the article: Iranian threat to destroy Israel doesn't hold up