Interesting armchair quarterbacking. You might not say that if you were one of those hostages.
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That is really beside the point.
A number of the Embassy Employees were seriously involved in planning political dirty tricks, assassinations and such. We should not assume for a moment that they were all pencil-pushing visa interviewers or facilitators of carpet merchandising. I imagine that they came to realize why the Iranian students decided to hold them captive.
Observe that they were better treated than nearly any of the current 'guests' at Guantánamo or Abu Ghraib. They were not forced to wear orange clothing, locked in cages, smeared with shit, stripped and forced to form pyramids, led with leashes or threatened with large dogs, hooded for days on end, or treated to hours and hours of bad music, such as heavy metal and Barney the Dinosaur.
The local Cubans in Miami are always comparing Castro to horrid dictators like Somoza, Trujillo, Varela and Pinochet, because he took away their plantations or made their car dealerships, for-profit hospitals, insurance agencies and real estate agencies superfluous.
But the fact is that no one has been driven from their home. It's just that once you leave, you can't have it back.
Castro is far from being truly competent as an administrator, but he is also far down the list of cruel dictators.
Iran is also perhaps bad, but nowhere near as nasty as Saudi Arabia, where Bandar Bush hails from.