The way you describe the alternative option seems not very good faith.
Obama actually did this in 2016.
https://www.cnn.com/2016/08/03/politics/us-sends-plane-iran-...
> Washington CNN — The Obama administration secretly arranged a plane delivery of $400 million in cash on the same day Iran released four American prisoners and formally implemented the nuclear deal, US officials confirmed Wednesday.
alt Hacker News
Obama actually did this in 2016.
https://www.cnn.com/2016/08/03/politics/us-sends-plane-iran-...
> Washington CNN — The Obama administration secretly arranged a plane delivery of $400 million in cash on the same day Iran released four American prisoners and formally implemented the nuclear deal, US officials confirmed Wednesday.